Quarterly Hogs and Pigs ISSN: 1949-1921 Released December 23, 2015, by the National Agricultural Statistics Service (NASS), Agricultural Statistics Board, United States Department of Agriculture (USDA). United States Hog Inventory Up 1 Percent United States inventory of all hogs and pigs on December 1, 2015 was 68.3 million head. This was up 1 percent from December 1, 2014, and up slightly from September 1, 2015. This is the highest inventory of all hogs and pigs since quarterly United States estimates began in 1988. Breeding inventory, at 6.00 million head, was up 1 percent from last year, and up slightly from the previous quarter. Market hog inventory, at 62.3 million head, was up 1 percent from last year, and up slightly from last quarter. This is the highest market hog inventory since quarterly United States estimates began in 1988. The September-November 2015 pig crop, at 30.3 million head, was down 1 percent from 2014. Sows farrowing during this period totaled 2.88 million head, down 4 percent from 2014. The sows farrowed during this quarter represented 48 percent of the breeding herd. The average pigs saved per litter was a record high 10.53 for the September-November period, compared to 10.23 last year. Pigs saved per litter by size of operation ranged from 8.20 for operations with 1-99 hogs and pigs to 10.60 for operations with more than 5,000 hogs and pigs. United States hog producers intend to have 2.84 million sows farrow during the December-February 2016 quarter, down 2 percent from the actual farrowings during the same period in 2015, but up 3 percent from 2014. Intended farrowings for March-May 2016, at 2.85 million sows, are down slightly from 2015, but up 1 percent from 2014. The total number of hogs under contract owned by operations with over 5,000 head, but raised by contractees, accounted for 46 percent of the total United States hog inventory, unchanged from last year. Revisions All inventory and pig crop estimates for March 2014 through September 2015 were reviewed using final pig crop, official slaughter, death loss, and updated import and export data. The net revision made to the June 2015 all hogs and pigs inventory was 0.2 percent. A revision of 0.1 percent was made to the March-May 2015 pig crop. A revision of 0.3 percent was made to the September 2015 all hogs and pigs inventory. This report was approved on December 23, 2015. Secretary of Agriculture Designate Robert Johansson Agricultural Statistics Board Chairperson James M. Harris Contents Hogs and Pigs Inventory by Class, Weight Group, and Quarter - United States: 2014 and 2015................. 4 Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2014-2016................................... 5 Pigs per Litter by Size of Operation - United States: 2014 and 2015........................................ 5 Quarterly Litter Rate - United States...................................................................... 6 Pigs per Litter by Size of Operation - United States: September-November 2015.............................. 6 Quarterly Sows Farrowed - United States.................................................................... 7 Quarterly Pig Crop - United States......................................................................... 7 Breeding, Market, and Total Inventory - States and United States: December 1, 2014 and 2015................ 8 Market Inventory by Weight Group - States and United States: December 1, 2014 and 2015..................... 9 Breeding, Market, and Total Inventory - States and United States: March 1, 2014 and 2015................... 10 Market Inventory by Weight Group - States and United States: March 1, 2014 and 2015........................ 10 Breeding, Market, and Total Inventory - States and United States: June 1, 2014 and 2015.................... 11 Market Inventory by Weight Group - States and United States: June 1, 2014 and 2015......................... 11 Breeding, Market, and Total Inventory - States and United States: September 1, 2014 and 2015............... 12 Market Inventory by Weight Group - States and United States: September 1, 2014 and 2015.................... 12 Annual Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-November 2014 and 2015................................................................................................... 13 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2014-2016...... 14 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: March-May 2014-2016.............. 14 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: June-August 2014 and 2015........ 15 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: September-November 2014 and 2015........................................................................... 15 Monthly Sows Farrowing, Pigs per Litter, and Pig Crop - United States: December-November 2014 and 2015..... 16 Statistical Methodology.................................................................................... 17 Reliability of December 1 Hog Estimates.................................................................... 17 Information Contacts....................................................................................... 18 Hogs and Pigs Inventory by Class, Weight Group, and Quarter - United States: 2014 and 2015 [May not add due to rounding] ---------------------------------------------------------------------------------- : : : 2015 as Item : 2014 : 2015 : percent : : : of 2014 ---------------------------------------------------------------------------------- : ---- 1,000 head ---- percent : March 1 inventory : All hogs and pigs ....................: 61,494 67,399 110 Kept for breeding ..................: 5,851 5,982 102 Market .............................: 55,643 61,418 110 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 17,336 19,454 112 50-119 pounds ......................: 15,487 17,129 111 120-179 pounds .....................: 12,538 13,580 108 180 pounds and over ................: 10,281 11,255 109 : June 1 inventory : All hogs and pigs ....................: 61,568 67,065 109 Kept for breeding ..................: 5,855 5,926 101 Market .............................: 55,713 61,140 110 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 18,254 19,365 106 50-119 pounds ......................: 15,801 17,436 110 120-179 pounds .....................: 11,491 12,910 112 180 pounds and over ................: 10,166 11,429 112 : September 1 inventory : All hogs and pigs ....................: 65,979 68,175 103 Kept for breeding ..................: 5,920 5,986 101 Market .............................: 60,059 62,190 104 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 20,390 20,291 100 50-119 pounds ......................: 17,458 17,986 103 120-179 pounds .....................: 12,112 12,805 106 180 pounds and over ................: 10,098 11,108 110 : December 1 inventory : All hogs and pigs ....................: 67,776 68,299 101 Kept for breeding ..................: 5,939 6,002 101 Market .............................: 61,838 62,297 101 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 19,801 19,508 99 50-119 pounds ......................: 17,366 17,282 100 120-179 pounds .....................: 13,000 13,210 102 180 pounds and over ................: 11,671 12,296 105 ---------------------------------------------------------------------------------- Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2014-2016 [May not add due to rounding. Blank data cells indicate estimation period has not yet begun] -------------------------------------------------------------------------------------------------- : : : : 2015 as : 2016 as : 2014 : 2015 : 2016 : percent : percent Item : : : : of 2014 : of 2015 -------------------------------------------------------------------------------------------------- : 1,000 head 1,000 head 1,000 head percent percent Sows farrowing : December-February 1/ 2/ : 2,763 2,895 2,840 105 98 March-May 2/ ..........: 2,810 2,854 2,850 102 100 December-May 1/ ........: 5,573 5,749 5,690 103 99 : June-August ............: 2,991 2,945 98 September-November .....: 2,994 2,875 96 June-November ..........: 5,985 5,820 97 : Pig crop : December-February 1/ ...: 26,326 29,627 113 March-May ..............: 27,495 29,593 108 December-May 1/ ........: 53,821 59,219 110 : June-August ............: 30,402 30,588 101 September-November .....: 30,633 30,271 99 June-November ..........: 61,035 60,859 100 : : number number number percent percent : Pigs per litter : December-February 1/ ...: 9.53 10.23 107 March-May ..............: 9.78 10.37 106 December-May 1/ ........: 9.66 10.30 107 : June-August ............: 10.16 10.39 102 September-November .....: 10.23 10.53 103 June-November ..........: 10.20 10.46 103 -------------------------------------------------------------------------------------------------- 1/ December preceding year. 2/ Intentions for 2016. Pigs per Litter by Size of Operation - United States: 2014 and 2015 [December preceding year] ----------------------------------------------------------------------------------------- : Pigs per litter on operations having 1/ :----------------------------------------------------------------- Pig crop : 1-99 : 100-499 : 500-999 :1,000-1,999:2,000-4,999: 5,000+ : head : head : head : head : head : head ----------------------------------------------------------------------------------------- : number : 2014 : December-February ...: 7.70 8.30 8.50 8.90 9.50 9.60 March-May ...........: 7.80 8.50 8.80 9.20 9.70 9.80 June-August .........: 8.00 8.70 9.10 9.50 10.00 10.20 September-November ..: 8.10 8.80 9.20 9.60 10.10 10.30 : 2015 : December-February ...: 7.90 8.60 9.00 9.40 10.00 10.30 March-May ...........: 8.00 8.70 9.10 9.50 10.10 10.40 June-August .........: 8.00 8.70 9.10 9.50 10.10 10.40 September-November ..: 8.20 8.90 9.30 9.70 10.30 10.60 ----------------------------------------------------------------------------------------- 1/ Pigs per litter rounded to the nearest tenth. Breeding, Market, and Total Inventory - States and United States: December 1, 2014 and 2015 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Breeding : Market : Total :-------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : 2015 as : : : 2015 as : : : 2015 as : : : : : : : : : : 2014 : 2015 : percent : 2014 : 2015 : percent : 2014 : 2015 : percent : : : : : : : : : : : : of 2014 : : : of 2014 : : : of 2014 -------------------------------------------------------------------------------------------------------------------- : ---- 1,000 head --- percent ---- 1,000 head ---- percent ---- 1,000 head ---- percent : Alabama .........: 13.00 13.00 100 97.00 87.00 90 110.00 100.00 91 Alaska ..........: 0.30 0.30 100 0.90 1.10 122 1.20 1.40 117 Arizona .........: 19.00 18.00 95 120.00 114.00 95 139.00 132.00 95 Arkansas ........: 57.00 61.00 107 58.00 105.00 181 115.00 166.00 144 California ......: 6.00 4.00 67 104.00 91.00 88 110.00 95.00 86 Colorado ........: 150.00 145.00 97 550.00 555.00 101 700.00 700.00 100 Connecticut .....: 0.70 0.50 71 1.90 2.00 105 2.60 2.50 96 Delaware ........: 1.00 0.60 60 3.00 2.40 80 4.00 3.00 75 Florida .........: 4.00 4.00 100 13.00 12.00 92 17.00 16.00 94 Georgia .........: 25.00 25.00 100 130.00 135.00 104 155.00 160.00 103 : Hawaii ..........: 2.50 2.00 80 6.50 7.00 108 9.00 9.00 100 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 500.00 490.00 98 4,200.00 4,560.00 109 4,700.00 5,050.00 107 Indiana .........: 290.00 270.00 93 3,410.00 3,480.00 102 3,700.00 3,750.00 101 Iowa ............: 1,010.00 1,030.00 102 20,290.00 19,770.00 97 21,300.00 20,800.00 98 Kansas ..........: 180.00 175.00 97 1,660.00 1,755.00 106 1,840.00 1,930.00 105 Kentucky ........: 35.00 43.00 123 305.00 372.00 122 340.00 415.00 122 Louisiana .......: 2.00 2.00 100 6.00 6.00 100 8.00 8.00 100 Maine ...........: 1.00 1.00 100 3.50 3.50 100 4.50 4.50 100 Maryland ........: 3.00 5.00 167 18.00 16.00 89 21.00 21.00 100 : Massachusetts ...: 2.00 2.00 100 7.00 9.00 129 9.00 11.00 122 Michigan ........: 110.00 110.00 100 1,060.00 1,000.00 94 1,170.00 1,110.00 95 Minnesota .......: 560.00 560.00 100 7,540.00 7,390.00 98 8,100.00 7,950.00 98 Mississippi .....: 46.00 46.00 100 529.00 469.00 89 575.00 515.00 90 Missouri ........: 400.00 395.00 99 2,450.00 2,605.00 106 2,850.00 3,000.00 105 Montana .........: 24.00 24.00 100 152.00 151.00 99 176.00 175.00 99 Nebraska ........: 400.00 420.00 105 2,800.00 2,880.00 103 3,200.00 3,300.00 103 Nevada ..........: 0.50 0.30 60 1.50 0.70 47 2.00 1.00 50 New Hampshire ...: 0.80 0.80 100 2.80 3.10 111 3.60 3.90 108 New Jersey ......: 1.00 1.50 150 9.00 10.50 117 10.00 12.00 120 : New Mexico ......: 0.50 0.50 100 0.80 1.00 125 1.30 1.50 115 New York ........: 9.00 8.00 89 61.00 68.00 111 70.00 76.00 109 North Carolina ..: 880.00 870.00 99 7,920.00 7,930.00 100 8,800.00 8,800.00 100 North Dakota ....: 34.00 31.00 91 106.00 107.00 101 140.00 138.00 99 Ohio ............: 170.00 190.00 112 2,060.00 2,280.00 111 2,230.00 2,470.00 111 Oklahoma ........: 440.00 470.00 107 1,680.00 1,630.00 97 2,120.00 2,100.00 99 Oregon ..........: 2.00 2.00 100 7.00 8.00 114 9.00 10.00 111 Pennsylvania ....: 100.00 100.00 100 1,040.00 1,060.00 102 1,140.00 1,160.00 102 Rhode Island ....: 0.50 0.40 80 1.10 1.10 100 1.60 1.50 94 South Carolina ..: 13.00 12.00 92 242.00 223.00 92 255.00 235.00 92 : South Dakota ....: 160.00 175.00 109 1,110.00 1,185.00 107 1,270.00 1,360.00 107 Tennessee .......: 20.00 20.00 100 190.00 200.00 105 210.00 220.00 105 Texas ...........: 100.00 105.00 105 710.00 755.00 106 810.00 860.00 106 Utah ............: 75.00 75.00 100 535.00 595.00 111 610.00 670.00 110 Vermont .........: 1.00 1.00 100 2.50 3.00 120 3.50 4.00 114 Virginia ........: 5.00 5.00 100 275.00 265.00 96 280.00 270.00 96 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 1.00 1.50 150 3.00 3.50 117 4.00 5.00 125 Wisconsin .......: 41.00 43.00 105 269.00 277.00 103 310.00 320.00 103 Wyoming .........: 32.00 33.00 103 51.00 72.00 141 83.00 105.00 127 : Idaho and : Washington .....: 11.00 11.00 100 46.00 41.00 89 57.00 52.00 91 : United States ...: 5,938.80 6,002.40 101 61,837.50 62,296.90 101 67,776.30 68,299.30 101 -------------------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Market Inventory by Weight Group - States and United States: December 1, 2014 and 2015 [Weight groups may not add to market inventory due to rounding] --------------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :--------------------------------------------------------------------------------------- : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 --------------------------------------------------------------------------------------------------------- : 1,000 head : Alabama .........: 30.00 25.00 19.00 21.00 26.00 19.00 22.00 22.00 Alaska ..........: 0.40 0.40 0.30 0.40 0.10 0.20 0.10 0.10 Arizona .........: 55.00 48.00 23.00 23.00 22.00 22.00 20.00 21.00 Arkansas ........: 38.00 88.00 5.00 3.00 8.00 4.00 7.00 10.00 California ......: 31.00 22.00 25.00 19.00 27.00 25.00 21.00 25.00 Colorado ........: 265.00 240.00 125.00 120.00 80.00 90.00 80.00 105.00 Connecticut .....: 0.70 0.70 0.40 0.40 0.40 0.40 0.40 0.50 Delaware ........: 1.30 1.20 0.90 0.60 0.50 0.40 0.30 0.20 Florida .........: 4.00 4.00 5.00 4.00 2.00 2.00 2.00 2.00 Georgia .........: 62.00 54.00 25.00 28.00 22.00 29.00 21.00 24.00 : Hawaii ..........: 3.00 3.00 1.50 2.00 1.50 1.00 0.50 1.00 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 1,360.00 1,390.00 1,180.00 1,330.00 800.00 910.00 860.00 930.00 Indiana .........: 1,040.00 1,000.00 950.00 920.00 660.00 720.00 760.00 840.00 Iowa ............: 5,310.00 5,100.00 6,500.00 6,300.00 4,740.00 4,660.00 3,740.00 3,710.00 Kansas ..........: 445.00 430.00 415.00 405.00 340.00 390.00 460.00 530.00 Kentucky ........: 98.00 92.00 99.00 110.00 48.00 71.00 60.00 99.00 Louisiana .......: 2.00 2.00 2.00 2.00 1.00 1.00 1.00 1.00 Maine ...........: 1.50 1.20 1.00 0.60 0.50 0.90 0.50 0.80 Maryland ........: 7.00 5.00 4.00 4.00 3.00 4.00 4.00 3.00 : Massachusetts ...: 2.00 2.10 2.60 2.60 1.60 2.10 0.80 2.20 Michigan ........: 310.00 275.00 245.00 250.00 250.00 230.00 255.00 245.00 Minnesota .......: 2,650.00 2,560.00 2,200.00 2,200.00 1,520.00 1,420.00 1,170.00 1,210.00 Mississippi .....: 191.00 173.00 131.00 113.00 103.00 92.00 104.00 91.00 Missouri ........: 1,170.00 1,240.00 470.00 525.00 380.00 400.00 430.00 440.00 Montana .........: 59.00 57.00 38.00 33.00 28.00 32.00 27.00 29.00 Nebraska ........: 950.00 950.00 840.00 750.00 535.00 580.00 475.00 600.00 Nevada ..........: 0.30 0.30 0.50 0.10 0.20 0.10 0.50 0.20 New Hampshire ...: 0.90 0.80 0.60 0.80 0.70 0.70 0.60 0.80 New Jersey ......: 2.80 2.20 2.50 2.50 2.00 2.60 1.70 3.20 : New Mexico ......: 0.20 0.20 0.30 0.40 0.20 0.20 0.10 0.20 New York ........: 22.00 26.00 14.00 15.00 12.00 14.00 13.00 13.00 North Carolina ..: 3,010.00 2,950.00 1,830.00 1,880.00 1,580.00 1,590.00 1,500.00 1,510.00 North Dakota ....: 57.00 52.00 21.00 23.00 14.00 14.00 14.00 18.00 Ohio ............: 590.00 610.00 600.00 620.00 530.00 600.00 340.00 450.00 Oklahoma ........: 660.00 690.00 420.00 345.00 290.00 260.00 310.00 335.00 Oregon ..........: 2.50 3.00 2.50 2.00 1.00 2.00 1.00 1.00 Pennsylvania ....: 265.00 255.00 340.00 335.00 225.00 250.00 210.00 220.00 Rhode Island ....: 0.50 0.40 0.20 0.30 0.20 0.20 0.20 0.20 South Carolina ..: 48.00 43.00 66.00 58.00 67.00 60.00 61.00 62.00 : South Dakota ....: 380.00 405.00 285.00 320.00 220.00 215.00 225.00 245.00 Tennessee .......: 51.00 49.00 52.00 44.00 55.00 54.00 32.00 53.00 Texas ...........: 175.00 205.00 170.00 205.00 150.00 165.00 215.00 180.00 Utah ............: 220.00 235.00 110.00 115.00 110.00 125.00 95.00 120.00 Vermont .........: 0.90 0.90 0.70 0.80 0.50 0.60 0.40 0.70 Virginia ........: 73.00 61.00 67.00 65.00 72.00 72.00 63.00 67.00 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 0.50 1.00 1.00 1.00 0.50 0.50 1.00 1.00 Wisconsin .......: 102.00 89.00 56.00 63.00 57.00 65.00 54.00 60.00 Wyoming .........: 34.00 50.00 7.00 9.00 4.00 4.00 6.00 9.00 : Idaho and : Washington .....: 19.00 16.00 12.00 10.50 9.50 9.50 5.50 5.00 : United States ...:19,800.50 19,508.40 17,366.00 17,282.00 13,000.40 13,210.40 11,670.60 12,296.10 --------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Breeding, Market, and Total Inventory - States and United States: March 1, 2014 and 2015 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : 2015 :2015 as: : 2015 :2015 as: : 2015 :2015 as State : 2014 : :percent: 2014 : :percent: 2014 : :percent : : :of 2014: : :of 2014: : :of 2014 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 160 140 88 520 570 110 680 710 104 Illinois ........: 500 490 98 3,750 4,260 114 4,250 4,750 112 Indiana .........: 270 280 104 3,080 3,470 113 3,350 3,750 112 Iowa ............: 1,010 1,030 102 18,490 19,770 107 19,500 20,800 107 Kansas ..........: 170 175 103 1,460 1,685 115 1,630 1,860 114 Michigan ........: 110 110 100 890 1,030 116 1,000 1,140 114 Minnesota .......: 550 570 104 6,950 7,430 107 7,500 8,000 107 Missouri ........: 355 400 113 1,995 2,500 125 2,350 2,900 123 Nebraska ........: 400 420 105 2,600 2,730 105 3,000 3,150 105 North Carolina ..: 870 890 102 6,930 7,710 111 7,800 8,600 110 : Ohio ............: 170 180 106 1,830 2,150 117 2,000 2,330 117 Oklahoma ........: 430 440 102 1,520 1,750 115 1,950 2,190 112 Pennsylvania ....: 95 100 105 1,015 1,040 102 1,110 1,140 103 South Dakota ....: 170 165 97 1,020 1,145 112 1,190 1,310 110 Texas ...........: 100 100 100 430 820 191 530 920 174 Utah ............: 75 75 100 635 595 94 710 670 94 : Other States 1/ .: 416 417 100 2,528 2,763 109 2,944 3,179 108 : United States ...: 5,851 5,982 102 55,643 61,418 110 61,494 67,399 110 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: March 1, 2014 and 2015 [Weight groups may not add to market inventory due to rounding] ------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :------------------------------------------------------------------------------- : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 270 280 95 100 75 90 80 100 Illinois ........: 1,070 1,330 1,100 1,260 810 890 770 780 Indiana .........: 890 990 880 970 620 710 690 800 Iowa ............: 4,570 5,030 5,780 6,410 4,850 4,940 3,290 3,390 Kansas ..........: 390 445 345 415 275 335 450 490 Michigan ........: 275 295 190 235 225 260 200 240 Minnesota .......: 2,490 2,600 2,000 2,050 1,480 1,550 980 1,230 Missouri ........: 920 1,250 385 505 320 380 370 365 Nebraska ........: 820 870 730 780 545 615 505 465 North Carolina ..: 2,630 2,800 1,650 1,810 1,540 1,640 1,110 1,460 : Ohio ............: 580 660 555 630 465 510 230 350 Oklahoma ........: 580 740 335 370 225 270 380 370 Pennsylvania ....: 250 265 345 340 190 240 230 195 South Dakota ....: 330 375 280 305 210 250 200 215 Texas ...........: 80 230 105 215 75 200 170 175 Utah ............: 290 265 130 105 110 120 105 105 : Other States 1/ .: 901 1,029 582 629 523 580 521 525 : United States ...: 17,336 19,454 15,487 17,129 12,538 13,580 10,281 11,255 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: June 1, 2014 and 2015 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : 2015 :2015 as: : 2015 :2015 as: : 2015 :2015 as State : 2014 : :percent: 2014 : :percent: 2014 : :percent : : :of 2014: : :of 2014: : :of 2014 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 160 145 91 530 545 103 690 690 100 Illinois ........: 490 490 100 3,810 4,110 108 4,300 4,600 107 Indiana .........: 270 270 100 3,230 3,380 105 3,500 3,650 104 Iowa ............: 1,000 1,000 100 18,100 20,000 110 19,100 21,000 110 Kansas ..........: 170 180 106 1,470 1,680 114 1,640 1,860 113 Michigan ........: 110 110 100 880 990 113 990 1,100 111 Minnesota .......: 570 550 96 7,080 7,600 107 7,650 8,150 107 Missouri ........: 380 395 104 2,070 2,505 121 2,450 2,900 118 Nebraska ........: 390 410 105 2,610 2,790 107 3,000 3,200 107 North Carolina ..: 860 880 102 6,740 7,120 106 7,600 8,000 105 : Ohio ............: 165 185 112 1,805 2,185 121 1,970 2,370 120 Oklahoma ........: 430 440 102 1,460 1,790 123 1,890 2,230 118 Pennsylvania ....: 100 105 105 1,010 1,055 104 1,110 1,160 105 South Dakota ....: 175 170 97 1,035 1,150 111 1,210 1,320 109 Texas ...........: 100 105 105 570 765 134 670 870 130 Utah ............: 75 75 100 645 645 100 720 720 100 : Other States 1/ .: 410 416 102 2,668 2,830 106 3,078 3,245 105 : United States ...: 5,855 5,926 101 55,713 61,140 110 61,568 67,065 109 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: June 1, 2014 and 2015 [Weight groups may not add to market inventory due to rounding] ------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :------------------------------------------------------------------------------- : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 275 270 105 120 70 75 80 80 Illinois ........: 1,220 1,250 1,160 1,230 770 850 660 780 Indiana .........: 890 940 980 1,000 580 670 780 770 Iowa ............: 4,890 5,070 5,640 6,410 4,470 4,820 3,100 3,700 Kansas ..........: 410 430 360 505 260 335 440 410 Michigan ........: 270 275 210 255 200 240 200 220 Minnesota .......: 2,580 2,570 2,150 2,300 1,290 1,540 1,060 1,190 Missouri ........: 1,005 1,245 405 485 315 370 345 405 Nebraska ........: 840 860 770 765 510 630 490 535 North Carolina ..: 2,750 2,830 1,590 1,650 1,230 1,320 1,170 1,320 : Ohio ............: 530 630 570 660 440 525 265 370 Oklahoma ........: 620 740 350 380 180 290 310 380 Pennsylvania ....: 275 290 340 335 190 230 205 200 South Dakota ....: 345 405 265 320 205 220 220 205 Texas ...........: 130 230 145 205 140 135 155 195 Utah ............: 270 280 130 130 115 115 130 120 : Other States 1/ .: 954 1,050 631 686 526 545 556 549 : United States ...: 18,254 19,365 15,801 17,436 11,491 12,910 10,166 11,429 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: September 1, 2014 and 2015 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : :2015 as: : :2015 as: : :2015 as State : 2014 : 2015 :percent: 2014 : 2015 :percent: 2014 : 2015 :percent : : :of 2014: : :of 2014: : :of 2014 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 155 145 94 555 595 107 710 740 104 Illinois ........: 510 500 98 4,140 4,200 101 4,650 4,700 101 Indiana .........: 280 280 100 3,320 3,470 105 3,600 3,750 104 Iowa ............: 1,030 1,000 97 19,770 20,200 102 20,800 21,200 102 Kansas ..........: 170 180 106 1,660 1,750 105 1,830 1,930 105 Michigan ........: 110 110 100 920 980 107 1,030 1,090 106 Minnesota .......: 550 560 102 7,200 7,290 101 7,750 7,850 101 Missouri ........: 390 400 103 2,460 2,650 108 2,850 3,050 107 Nebraska ........: 390 410 105 2,710 2,790 103 3,100 3,200 103 North Carolina ..: 870 880 101 7,530 7,820 104 8,400 8,700 104 : Ohio ............: 170 185 109 1,910 2,205 115 2,080 2,390 115 Oklahoma ........: 430 470 109 1,620 1,740 107 2,050 2,210 108 Pennsylvania ....: 100 100 100 1,060 1,070 101 1,160 1,170 101 South Dakota ....: 175 170 97 1,095 1,150 105 1,270 1,320 104 Texas ...........: 100 105 105 670 745 111 770 850 110 Utah ............: 75 75 100 645 655 102 720 730 101 : Other States 1/ .: 415 416 100 2,794 2,880 103 3,209 3,295 103 : United States ...: 5,920 5,986 101 60,059 62,190 104 65,979 68,175 103 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: September 1, 2014 and 2015 [Weight groups may not add to market inventory due to rounding] ----------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :----------------------------------------------------------------------- : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 ----------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 310 300 105 110 85 80 55 105 Illinois ........: 1,270 1,320 1,280 1,280 830 810 760 790 Indiana .........: 1,040 1,010 960 1,000 620 700 700 760 Iowa ............: 5,510 5,310 6,470 6,530 4,470 4,880 3,320 3,480 Kansas ..........: 485 480 500 495 315 295 360 480 Michigan ........: 290 295 225 240 205 215 200 230 Minnesota .......: 2,610 2,550 2,190 2,200 1,400 1,390 1,000 1,150 Missouri ........: 1,270 1,275 470 560 360 400 360 415 Nebraska ........: 940 880 800 790 505 590 465 530 North Carolina ..: 3,110 3,200 1,820 1,960 1,430 1,410 1,170 1,250 : Ohio ............: 560 650 600 680 460 505 290 370 Oklahoma ........: 720 795 390 410 220 260 290 275 Pennsylvania ....: 265 275 370 370 225 225 200 200 South Dakota ....: 380 415 305 315 200 205 210 215 Texas ...........: 210 190 190 205 140 170 130 180 Utah ............: 300 280 130 130 115 120 100 125 : Other States 1/ .: 1,120 1,066 653 711 532 550 488 553 : United States ...: 20,390 20,291 17,458 17,986 12,112 12,805 10,098 11,108 ----------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Annual Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-November 2014 and 2015 [December preceding year. May not add due to rounding] ------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop :----------------------------------------------------------------------------------- State : : : 2015 as : : : : : 2015 as : 2014 : 2015 : percent : 2014 : 2015 : 2014 : 2015 : percent : : : of 2014 : : : : : of 2014 ------------------------------------------------------------------------------------------------------- :---- 1,000 head ---- percent ---- number ---- ----- 1,000 head ---- percent : Alabama ...........: 24.00 20.50 85 8.83 9.95 212.00 204.00 96 Alaska ............: 0.17 0.22 129 9.41 8.18 1.60 1.80 113 Arizona ...........: 34.00 31.00 91 7.76 8.68 264.00 269.00 102 Arkansas ..........: 116.00 125.00 108 9.62 10.54 1,116.00 1,317.00 118 California ........: 8.00 8.50 106 7.38 7.29 59.00 62.00 105 Colorado ..........: 288.00 277.00 96 9.32 9.96 2,683.00 2,760.00 103 Connecticut .......: 0.40 0.40 100 9.00 9.00 3.60 3.60 100 Delaware ..........: 0.80 0.40 50 8.00 10.00 6.40 4.00 63 Florida ...........: 4.00 4.00 100 7.00 7.00 28.00 28.00 100 Georgia ...........: 40.00 48.00 120 10.23 10.50 409.00 504.00 123 : Hawaii ............: 2.40 2.00 83 7.50 7.25 18.00 14.50 81 Idaho .............: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ..........: 1,010.00 955.00 95 10.09 10.30 10,191.00 9,833.00 96 Indiana ...........: 540.00 545.00 101 9.65 10.40 5,211.00 5,667.00 109 Iowa ..............: 1,990.00 2,015.00 101 10.48 10.78 20,862.00 21,714.00 104 Kansas ............: 334.00 344.00 103 9.67 10.16 3,229.00 3,496.00 108 Kentucky ..........: 76.00 81.00 107 9.46 9.78 719.00 792.00 110 Louisiana .........: 1.10 1.10 100 7.18 7.00 7.90 7.70 97 Maine .............: 0.90 0.90 100 7.44 7.44 6.70 6.70 100 Maryland ..........: 5.00 5.20 104 9.40 8.65 47.00 45.00 96 : Massachusetts .....: 1.50 2.30 153 8.13 8.43 12.20 19.40 159 Michigan ..........: 205.00 202.00 99 9.61 10.72 1,970.00 2,166.00 110 Minnesota .........: 1,160.00 1,135.00 98 10.73 11.08 12,449.00 12,571.00 101 Mississippi .......: 102.00 100.00 98 10.25 11.33 1,046.00 1,133.00 108 Missouri ..........: 780.00 800.00 103 9.34 10.11 7,289.00 8,084.00 111 Montana ...........: 46.50 45.50 98 10.34 10.73 481.00 488.00 101 Nebraska ..........: 690.00 685.00 99 10.74 11.11 7,414.00 7,612.00 103 Nevada ............: 0.40 0.40 100 7.00 5.75 2.80 2.30 82 New Hampshire .....: 0.50 0.50 100 7.60 8.80 3.80 4.40 116 New Jersey ........: 1.30 0.80 62 7.46 7.13 9.70 5.70 59 : New Mexico ........: 0.40 0.40 100 8.50 7.50 3.40 3.00 88 New York ..........: 11.30 15.00 133 11.06 10.20 125.00 153.00 122 North Carolina ....: 1,805.00 1,805.00 100 9.17 9.67 16,547.00 17,446.00 105 North Dakota ......: 71.50 68.00 95 10.77 10.82 770.00 736.00 96 Ohio ..............: 348.00 357.00 103 9.46 10.51 3,292.00 3,753.00 114 Oklahoma ..........: 760.00 780.00 103 9.67 10.32 7,352.00 8,053.00 110 Oregon ............: 1.30 1.80 138 8.23 8.28 10.70 14.90 139 Pennsylvania ......: 189.00 188.00 99 10.27 10.32 1,941.00 1,941.00 100 Rhode Island ......: 0.40 0.40 100 8.50 7.00 3.40 2.80 82 South Carolina ....: 22.00 19.00 86 9.64 10.05 212.00 191.00 90 : South Dakota ......: 347.00 350.00 101 10.71 10.87 3,717.00 3,803.00 102 Tennessee .........: 35.00 43.00 123 9.89 9.56 346.00 411.00 119 Texas .............: 178.00 185.00 104 9.06 9.24 1,613.00 1,710.00 106 Utah ..............: 162.00 156.00 96 9.44 9.43 1,529.00 1,471.00 96 Vermont ...........: 0.60 0.90 150 7.67 7.33 4.60 6.60 143 Virginia ..........: 6.00 7.00 117 10.17 10.00 61.00 70.00 115 Washington ........: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia .....: 0.60 0.80 133 8.33 7.75 5.00 6.20 124 Wisconsin .........: 67.00 72.00 107 9.70 9.35 650.00 673.00 104 Wyoming ...........: 74.00 68.00 92 10.49 10.04 776.00 683.00 88 : Idaho and : Washington .......: 16.60 15.60 94 8.80 8.72 146.00 136.00 93 : United States .....:11,557.67 11,568.62 100 9.94 10.38 114,855.80 120,078.60 105 ------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2014-2016 [December preceding year. May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : : 2016 as : : : : : 2015 as : 2014 : 2015 : 2016 2/ : percent : 2014 : 2015 : 2014 : 2015 : percent : : : : of 2015 : : : : : of 2014 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 71 69 68 99 8.80 9.80 625 676 108 Illinois ...........: 245 245 235 96 10.00 10.20 2,450 2,499 102 Indiana ............: 120 140 130 93 9.20 10.10 1,104 1,414 128 Iowa ...............: 480 510 500 98 9.90 10.70 4,752 5,457 115 Kansas .............: 80 88 84 95 9.15 10.00 732 880 120 Michigan ...........: 49 52 49 94 9.20 10.50 451 546 121 Minnesota ..........: 275 285 275 96 10.50 11.00 2,888 3,135 109 Missouri ...........: 180 205 195 95 9.10 9.80 1,638 2,009 123 Nebraska ...........: 165 170 170 100 10.55 11.00 1,741 1,870 107 North Carolina .....: 435 445 445 100 8.40 9.50 3,654 4,228 116 : Ohio ...............: 90 88 86 98 8.00 10.45 720 920 128 Oklahoma ...........: 180 195 185 95 9.15 10.15 1,647 1,979 120 Pennsylvania .......: 44 46 45 98 10.40 10.20 458 469 102 South Dakota .......: 82 85 87 102 10.65 10.80 873 918 105 Texas ..............: 41 43 47 109 8.60 9.05 353 389 110 Utah ...............: 40 35 39 111 10.00 8.70 400 305 76 : Other States 3/ ....: 186 194 200 103 9.89 9.96 1,840 1,933 105 : United States ......: 2,763 2,895 2,840 98 9.53 10.23 26,326 29,627 113 -------------------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born December-February that were still on hand March 1, or had been sold. 2/ Intentions. 3/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: March-May 2014-2016 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : : 2016 as : : : : : 2015 as : 2014 : 2015 : 2016 2/ : percent : 2014 : 2015 : 2014 : 2015 : percent : : : : of 2015 : : : : : of 2014 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 73 70 69 99 9.30 10.00 679 700 103 Illinois ...........: 250 230 240 104 9.90 10.50 2,475 2,415 98 Indiana ............: 125 130 130 100 9.25 10.50 1,156 1,365 118 Iowa ...............: 470 495 495 100 10.60 10.60 4,982 5,247 105 Kansas .............: 82 84 83 99 9.25 9.95 759 836 110 Michigan ...........: 52 50 49 98 8.90 10.70 463 535 116 Minnesota ..........: 290 275 275 100 10.60 11.05 3,074 3,039 99 Missouri ...........: 185 200 205 103 8.90 10.40 1,647 2,080 126 Nebraska ...........: 170 170 170 100 10.50 11.20 1,785 1,904 107 North Carolina .....: 440 445 440 99 8.70 9.30 3,828 4,139 108 : Ohio ...............: 80 89 85 96 9.50 10.60 760 943 124 Oklahoma ...........: 185 195 190 97 9.60 10.35 1,776 2,018 114 Pennsylvania .......: 48 49 44 90 10.30 10.30 494 505 102 South Dakota .......: 90 86 87 101 10.70 10.95 963 942 98 Texas ..............: 43 50 48 96 9.40 9.50 404 475 118 Utah ...............: 41 41 37 90 10.50 9.80 431 402 93 : Other States 3/ ....: 186 195 203 104 9.78 10.52 1,819 2,048 113 : United States ......: 2,810 2,854 2,850 100 9.78 10.37 27,495 29,593 108 -------------------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born March-May that were still on hand June 1, or had been sold. 2/ Intentions 3/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: June-August 2014 and 2015 [May not add due to rounding] -------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------- : : 2015 :2015 as : : : : 2015 :2015 as State : : : : : : : : : 2014 : :percent : : : 2014 : :percent : : :of 2014 : 2014 : 2015 : : :of 2014 -------------------------------------------------------------------------------------------- : 1,000 head percent --- number --- 1,000 head percent : Colorado ...........: 73 70 96 9.45 10.10 690 707 102 Illinois ...........: 260 250 96 10.20 10.15 2,652 2,538 96 Indiana ............: 145 140 97 9.80 10.60 1,421 1,484 104 Iowa ...............: 530 500 94 10.70 10.80 5,671 5,400 95 Kansas .............: 85 88 104 9.90 10.30 842 906 108 Michigan ...........: 51 50 98 10.10 11.00 515 550 107 Minnesota ..........: 290 295 102 10.85 11.15 3,147 3,289 105 Missouri ...........: 205 205 100 9.80 9.85 2,009 2,019 100 Nebraska ...........: 175 170 97 10.90 11.10 1,908 1,887 99 North Carolina .....: 470 465 99 9.50 9.70 4,465 4,511 101 : Ohio ...............: 86 90 105 10.00 10.50 860 945 110 Oklahoma ...........: 200 195 98 9.70 10.40 1,940 2,028 105 Pennsylvania .......: 49 48 98 10.10 10.40 495 499 101 South Dakota .......: 89 90 101 10.65 10.85 948 977 103 Texas ..............: 44 47 107 9.90 9.00 436 423 97 Utah ...............: 42 42 100 10.40 9.60 437 403 92 : Other States 2/ ....: 197 200 101 9.97 10.12 1,966 2,022 103 : United States ......: 2,991 2,945 98 10.16 10.39 30,402 30,588 101 -------------------------------------------------------------------------------------------- 1/ Number of pigs born June-August that were still on hand September 1, or had been sold. 2/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: September-November 2014 and 2015 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Sows Farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------- : : : 2015 as : : : : : 2015 as State : 2014 : 2015 : percent : 2014 : 2015 : 2014 : 2015 : percent : : : of 2014 : : : : : of 2014 -------------------------------------------------------------------------------------------------------------------- : --- 1,000 head -- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 71 68 96 9.70 9.95 689 677 98 Illinois ...........: 255 230 90 10.25 10.35 2,614 2,381 91 Indiana ............: 150 135 90 10.20 10.40 1,530 1,404 92 Iowa ...............: 510 510 100 10.70 11.00 5,457 5,610 103 Kansas .............: 87 84 97 10.30 10.40 896 874 98 Michigan ...........: 53 50 94 10.20 10.70 541 535 99 Minnesota ..........: 305 280 92 10.95 11.10 3,340 3,108 93 Missouri ...........: 210 190 90 9.50 10.40 1,995 1,976 99 Nebraska ...........: 180 175 97 11.00 11.15 1,980 1,951 99 North Carolina .....: 460 450 98 10.00 10.15 4,600 4,568 99 : Ohio ...............: 92 90 98 10.35 10.50 952 945 99 Oklahoma ...........: 195 195 100 10.20 10.40 1,989 2,028 102 Pennsylvania .......: 48 45 94 10.30 10.40 494 468 95 South Dakota .......: 86 89 103 10.85 10.85 933 966 104 Texas ..............: 50 45 90 8.40 9.40 420 423 101 Utah ...............: 39 38 97 6.70 9.50 261 361 138 : Other States 2/ ....: 203 201 99 9.59 9.92 1,942 1,996 103 : United States ......: 2,994 2,875 96 10.23 10.53 30,633 30,271 99 -------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born September-November that were still on hand December 1, or had been sold. 2/ Individual State estimates not available for the 34 Other States. Monthly Sows Farrowing, Pigs per Litter, and Pig Crop - United States: December-November 2014 and 2015 [December preceding year] ---------------------------------------------------------------------------------------- : Sows farrowing 1/ : Pigs per litter : Pig crop 1/ Month :----------------------------------------------------------------------- : 2014 : 2015 : 2014 : 2015 : 2014 : 2015 ---------------------------------------------------------------------------------------- : --- 1,000 head --- ----- number ---- ---- 1,000 head --- : December .......: 921 962 9.60 10.32 8,846 9,923 January ........: 924 974 9.47 10.16 8,753 9,895 February .......: 918 960 9.51 10.22 8,727 9,809 March ..........: 953 966 9.59 10.38 9,139 10,031 April ..........: 922 944 9.78 10.40 9,025 9,817 May ............: 935 943 9.98 10.33 9,331 9,745 June ...........: 999 993 10.08 10.35 10,078 10,276 July ...........: 992 974 10.20 10.39 10,122 10,114 August .........: 1,000 978 10.20 10.43 10,202 10,198 September ......: 1,024 991 10.20 10.44 10,451 10,351 October ........: 994 957 10.26 10.59 10,203 10,135 November .......: 975 927 10.24 10.55 9,979 9,786 : Total ..........: 11,558 11,569 9.94 10.38 114,856 120,079 ---------------------------------------------------------------------------------------- 1/ Monthly values may not add to quarterly or annual totals due to rounding. Statistical Methodology Survey Procedures: A random sample of roughly 11,100 United States producers was surveyed to provide data for these estimates. Survey procedures ensured that all hog and pig producers, regardless of size, had a chance to be included in the survey. Large operations were sampled more heavily than small operations. During the first half of December 2015, data were collected from about 8,000 operations, 72 percent of the total sample. The data collected were received by electronic data reporting (EDR), mail, telephone, and face- to-face personal interviews. Regardless of when operations responded, they were asked to report inventories as of December 1, 2015. Estimating Procedures: Hogs and pigs estimates were prepared by the Agricultural Statistics Board after reviewing recommendations and analysis submitted by each field office. National and State survey data were reviewed for reasonableness with each other and with estimates from past years using a balance sheet. The balance sheet begins with the previous inventory estimate, adds the estimates of births and imports, and subtracts the estimates of slaughter, exports, and deaths. This indicated ending inventory level is compared to the Agricultural Statistics Board estimate for reasonableness. Revision Policy: Revisions to previous estimates are made to improve quarter to quarter relationships. Estimates for the previous four quarters are subject to revision when current estimates are made. In December, estimates for all quarters of the current and previous year are reviewed. The reviews are primarily based on hog check-off receipts and slaughter. Estimates will also be reviewed after data from the Department of Agriculture five-year Census of Agriculture are available. No revisions will be made after that date. Reliability: Since all operations raising hogs are not included in the sample, survey estimates are subject to sampling variability. Survey results are also subject to non-sampling errors such as omissions, duplication, and mistakes in reporting, recording, and processing the data. The effects of these errors cannot be measured directly. They are minimized through rigid quality controls in the data collection process and through a careful review of all reported data for consistency and reasonableness. To assist users in evaluating the reliability of the estimates in this report, the "Root Mean Square Error" is shown for selected items in the following table. The "Root Mean Square Error" is a statistical measure based on past performance and is computed using the difference between first and final estimates. The "Root Mean Square Error" for hog inventory estimates over the past 20 quarters is 1.4 percent. This means that chances are 2 out of 3 that the final estimate will not be above or below the current estimate of 68.3 million head by more than 1.4 percent. Chances are 9 out of 10 that the difference will not exceed 2.3 percent. Reliability of December 1 Hog Estimates [Based on data for the previous twenty quarters] -------------------------------------------------------------------------------------------------------------------------- : Root mean : 90 percent : Difference between first and latest estimate : square error : confidence : : : : : : : level :------------------------------------------------------------- Item : : : : : : Years : : : : : :------------------------------- : : : Average :Smallest : Largest : Below latest : Above latest -------------------------------------------------------------------------------------------------------------------------- : percent percent --------- 1,000 -------- ----- number ----- : All hogs and pigs ............: 1.4 2.3 719 95 1,726 10 10 : Pig crop .....................: 2.3 3.9 521 3 1,260 12 8 : Expected farrowings : : Next quarter ...............: 2.7 4.7 63 0 167 10 10 : Following quarter ..........: 2.9 5.0 70 11 197 9 11 -------------------------------------------------------------------------------------------------------------------------- Information Contacts Listed below are the commodity specialists in the Livestock Branch of the National Agricultural Statistics Service to contact for additional information. E-mail inquiries may be sent to nass@nass.usda.gov. Dan Kerestes, Chief, Livestock Branch ........... (202) 720-3570 Scott Hollis, Head, Livestock Section ........... (202) 690-2424 Sherry Bertramsen - Livestock Slaughter ...... (202) 720-3240 Doug Bounds - Hogs and Pigs .................. (202) 720-3106 David Colwell - Sheep and Goats .............. (202) 720-8784 Donnie Fike - Dairy Products ................. (202) 690-3236 Michael Klamm - Cattle, Cattle on Feed ....... (202) 720-3040 Mike Miller - Milk Production and Milk Cows .. (202) 720-3278 Access to NASS Reports For your convenience, you may access NASS reports and products the following ways: All reports are available electronically, at no cost, on the NASS web site: http://www.nass.usda.gov Both national and state specific reports are available via a free e- mail subscription. 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