Quarterly Hogs and Pigs ISSN: 1949-1921 Released December 23, 2014, by the National Agricultural Statistics Service (NASS), Agricultural Statistics Board, United States Department of Agriculture (USDA). United States Hog Inventory Up 2 Percent United States inventory of all hogs and pigs on December 1, 2014 was 66.1 million head. This was up 2 percent from December 1, 2013, and up 1 percent from September 1, 2014. Breeding inventory, at 5.97 million head, was up 4 percent from last year, and up 1 percent from the previous quarter. Market hog inventory, at 60.1 million head, was up 2 percent from last year, and up 1 percent from last quarter. The September-November 2014 pig crop, at 29.4 million head, was up 4 percent from 2013. Sows farrowing during this period totaled 2.87 million head, up 3 percent from 2013. The sows farrowed during this quarter represented 48 percent of the breeding herd. The average pigs saved per litter was a record high 10.23 for the September-November period, compared to 10.16 last year. Pigs saved per litter by size of operation ranged from 8.10 for operations with 1-99 hogs and pigs to 10.30 for operations with more than 5,000 hogs and pigs. United States hog producers intend to have 2.87 million sows farrow during the December-February 2015 quarter, up 4 percent from the actual farrowings during the same period in 2014, and up 3 percent from 2013. Intended farrowings for March-May 2015, at 2.90 million sows, are up 3 percent from 2014, and up 3 percent from 2013. 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, down from 48 percent last year. Revisions All inventory and pig crop estimates for March 2013 through September 2014 were reviewed using final pig crop, official slaughter, death loss, and updated import and export data. A revision of 0.4 percent was made to the September 2014 all hogs and pigs inventory. The net revision to the June 2014 all hogs and pigs inventory was 0.9 percent. A revision of 0.5 percent was made to the March-May 2014 pig crop. This report was approved on December 23, 2014. Secretary of Agriculture Designate Joseph W. Glauber Agricultural Statistics Board Chairperson James M. Harris Contents Hogs and Pigs Inventory by Class, Weight Group, and Quarter - United States: 2013 and 2014................. 4 Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2013-2015................................... 5 Pigs per Litter by Size of Operation - United States: 2013 and 2014........................................ 5 Quarterly Litter Rate - United States...................................................................... 6 Pigs per Litter by Size of Operation - United States: September-November 2014.............................. 6 Quarterly Sows Farrowed - United States.................................................................... 7 Quarterly Pig Crop - United States......................................................................... 7 Breeding, Market, and Total Inventory - States and United States: December 1, 2013 and 2014................ 8 Market Inventory by Weight Group - States and United States: December 1, 2013 and 2014..................... 9 Breeding, Market, and Total Inventory - States and United States: March 1, 2013 and 2014................... 10 Market Inventory by Weight Group - States and United States: March 1, 2013 and 2014........................ 10 Breeding, Market, and Total Inventory - States and United States: June 1, 2013 and 2014.................... 11 Market Inventory by Weight Group - States and United States: June 1, 2013 and 2014......................... 11 Breeding, Market, and Total Inventory - States and United States: September 1, 2013 and 2014............... 12 Market Inventory by Weight Group - States and United States: September 1, 2013 and 2014.................... 12 Annual Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-November 2013 and 2014............................................................................ 13 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2013-2015...... 14 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: March-May 2013-2015.............. 14 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: June-August 2013 and 2014........ 15 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: September-November 2013 and 2014........................................................................... 15 Monthly Sows Farrowing, Pigs per Litter, and Pig Crop - United States: December-November 2013 and 2014..... 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: 2013 and 2014 [May not add due to rounding] ---------------------------------------------------------------------------------- : : : 2014 as Item : 2013 : 2014 : percent : : : of 2013 ---------------------------------------------------------------------------------- : ---- 1,000 head ---- percent : March 1 inventory : All hogs and pigs ....................: 65,071 61,494 95 Kept for breeding ..................: 5,834 5,851 100 Market .............................: 59,237 55,643 94 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 18,853 17,336 92 50-119 pounds ......................: 16,250 15,487 95 120-179 pounds .....................: 13,169 12,538 95 180 pounds and over ................: 10,965 10,281 94 : June 1 inventory : All hogs and pigs ....................: 65,188 61,568 94 Kept for breeding ..................: 5,884 5,855 100 Market .............................: 59,304 55,713 94 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 19,145 18,254 95 50-119 pounds ......................: 17,068 15,801 93 120-179 pounds .....................: 12,414 11,491 93 180 pounds and over ................: 10,678 10,166 95 : September 1 inventory : All hogs and pigs ....................: 66,906 65,131 97 Kept for breeding ..................: 5,816 5,920 102 Market .............................: 61,090 59,211 97 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 19,824 19,517 98 50-119 pounds ......................: 17,958 17,658 98 120-179 pounds .....................: 12,584 12,012 95 180 pounds and over ................: 10,725 10,023 93 : December 1 inventory : All hogs and pigs ....................: 64,775 66,050 102 Kept for breeding ..................: 5,757 5,969 104 Market .............................: 59,018 60,082 102 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 18,389 19,026 103 50-119 pounds ......................: 16,080 16,630 103 120-179 pounds .....................: 12,576 12,635 100 180 pounds and over ................: 11,972 11,791 98 ---------------------------------------------------------------------------------- Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2013-2015 [May not add due to rounding. Blank data cells indicate estimation period has not yet begun] -------------------------------------------------------------------------------------------------- : : : : 2014 as : 2015 as : 2013 : 2014 : 2015 : percent : percent Item : : : : of 2013 : of 2014 -------------------------------------------------------------------------------------------------- : 1,000 head 1,000 head 1,000 head percent percent Sows farrowing : December-February 1/ 2/ : 2,788 2,763 2,870 99 104 March-May 2/ ...........: 2,806 2,810 2,900 100 103 December-May 1/ ........: 5,595 5,573 5,770 100 104 : June-August ............: 2,890 2,906 101 September-November .....: 2,780 2,871 103 June-November ..........: 5,670 5,777 102 : Pig crop : December-February 1/ ...: 28,099 26,326 94 March-May ..............: 28,921 27,495 95 December-May 1/ ........: 57,020 53,821 94 : June-August ............: 29,862 29,534 99 September-November .....: 28,253 29,373 104 June-November ..........: 58,115 58,907 101 : : number number number percent percent : Pigs per litter : December-February 1/ ...: 10.08 9.53 95 March-May ..............: 10.31 9.78 95 December-May 1/ ........: 10.19 9.66 95 : June-August ............: 10.33 10.16 98 September-November .....: 10.16 10.23 101 June-November ..........: 10.25 10.20 100 -------------------------------------------------------------------------------------------------- 1/ December preceding year. 2/ Intentions for 2015. Pigs per Litter by Size of Operation - United States: 2013 and 2014 [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 : 2013 : December-February ...: 7.50 8.30 8.90 9.40 9.90 10.10 March-May ...........: 7.70 8.60 9.20 9.70 10.20 10.40 June-August .........: 7.80 8.70 9.30 9.70 10.20 10.40 September-November ..: 8.00 8.80 9.10 9.50 10.10 10.20 : 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 ----------------------------------------------------------------------------------------- 1/ Pigs per litter rounded to the nearest tenth. Breeding, Market, and Total Inventory - States and United States: December 1, 2013 and 2014 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Breeding : Market : Total :-------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : 2014 as : : : 2014 as : : : 2014 as : : : : : : : : : : 2013 : 2014 : percent : 2013 : 2014 : percent : 2013 : 2014 : percent : : : : : : : : : : : : of 2013 : : : of 2013 : : : of 2013 -------------------------------------------------------------------------------------------------------------------- : ---- 1,000 head --- percent ---- 1,000 head ---- percent ---- 1,000 head ---- percent : Alabama .........: 14.00 13.00 93 71.00 92.00 130 85.00 105.00 124 Alaska ..........: 0.20 0.30 150 0.80 0.90 113 1.00 1.20 120 Arizona .........: 20.00 20.00 100 150.00 115.00 77 170.00 135.00 79 Arkansas ........: 62.00 62.00 100 53.00 48.00 91 115.00 110.00 96 California ......: 4.00 6.00 150 91.00 104.00 114 95.00 110.00 116 Colorado ........: 150.00 150.00 100 540.00 540.00 100 690.00 690.00 100 Connecticut .....: 0.70 0.70 100 2.80 1.90 68 3.50 2.60 74 Delaware ........: 2.00 1.00 50 4.00 3.00 75 6.00 4.00 67 Florida .........: 3.50 4.00 114 11.50 13.00 113 15.00 17.00 113 Georgia .........: 19.00 27.00 142 122.00 126.00 103 141.00 153.00 109 : Hawaii ..........: 3.00 2.50 83 8.50 6.50 76 11.50 9.00 78 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 500.00 500.00 100 4,050.00 4,100.00 101 4,550.00 4,600.00 101 Indiana .........: 280.00 290.00 104 3,370.00 3,310.00 98 3,650.00 3,600.00 99 Iowa ............: 970.00 1,010.00 104 19,230.00 19,890.00 103 20,200.00 20,900.00 103 Kansas ..........: 170.00 180.00 106 1,580.00 1,620.00 103 1,750.00 1,800.00 103 Kentucky ........: 38.00 40.00 105 277.00 285.00 103 315.00 325.00 103 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 ........: 4.00 3.00 75 18.00 18.00 100 22.00 21.00 95 : Massachusetts ...: 1.50 2.00 133 7.00 7.00 100 8.50 9.00 106 Michigan ........: 110.00 110.00 100 950.00 990.00 104 1,060.00 1,100.00 104 Minnesota .......: 550.00 560.00 102 7,250.00 7,290.00 101 7,800.00 7,850.00 101 Mississippi .....: 46.00 46.00 100 454.00 509.00 112 500.00 555.00 111 Missouri ........: 345.00 400.00 116 2,405.00 2,350.00 98 2,750.00 2,750.00 100 Montana .........: 24.00 24.00 100 142.00 152.00 107 166.00 176.00 106 Nebraska ........: 390.00 405.00 104 2,660.00 2,695.00 101 3,050.00 3,100.00 102 Nevada ..........: 0.50 0.50 100 1.50 1.50 100 2.00 2.00 100 New Hampshire ...: 0.60 0.80 133 3.20 2.80 88 3.80 3.60 95 New Jersey ......: 0.70 1.00 143 8.30 9.00 108 9.00 10.00 111 : New Mexico ......: 0.50 0.50 100 0.70 0.80 114 1.20 1.30 108 New York ........: 9.00 9.00 100 57.00 61.00 107 66.00 70.00 106 North Carolina ..: 870.00 880.00 101 7,630.00 7,720.00 101 8,500.00 8,600.00 101 North Dakota ....: 35.00 35.00 100 100.00 104.00 104 135.00 139.00 103 Ohio ............: 170.00 170.00 100 2,030.00 1,980.00 98 2,200.00 2,150.00 98 Oklahoma ........: 420.00 440.00 105 1,560.00 1,630.00 104 1,980.00 2,070.00 105 Oregon ..........: 1.50 2.00 133 7.00 7.00 100 8.50 9.00 106 Pennsylvania ....: 100.00 100.00 100 980.00 1,000.00 102 1,080.00 1,100.00 102 Rhode Island ....: 0.40 0.50 125 1.50 1.10 73 1.90 1.60 84 South Carolina ..: 9.00 13.00 144 236.00 237.00 100 245.00 250.00 102 : South Dakota ....: 165.00 170.00 103 1,035.00 1,080.00 104 1,200.00 1,250.00 104 Tennessee .......: 17.00 20.00 118 153.00 180.00 118 170.00 200.00 118 Texas ...........: 80.00 100.00 125 510.00 660.00 129 590.00 760.00 129 Utah ............: 75.00 75.00 100 625.00 505.00 81 700.00 580.00 83 Vermont .........: 0.50 1.00 200 2.70 2.50 93 3.20 3.50 109 Virginia ........: 4.00 5.00 125 256.00 265.00 104 260.00 270.00 104 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 1.00 1.00 100 4.00 3.00 75 5.00 4.00 80 Wisconsin .......: 40.00 41.00 103 255.00 259.00 102 295.00 300.00 102 Wyoming .........: 35.00 33.00 94 55.00 51.00 93 90.00 84.00 93 : Idaho and : Washington .....: 12.00 11.00 92 50.00 46.00 92 62.00 57.00 92 : United States ...: 5,756.60 5,968.80 104 59,018.00 60,081.50 102 64,774.60 66,050.30 102 -------------------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Market Inventory by Weight Group - States and United States: December 1, 2013 and 2014 [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 :--------------------------------------------------------------------------------------- : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 --------------------------------------------------------------------------------------------------------- : 1,000 head : Alabama .........: 18.00 30.00 16.00 19.00 15.00 21.00 22.00 22.00 Alaska ..........: 0.30 0.40 0.30 0.30 0.10 0.10 0.10 0.10 Arizona .........: 60.00 52.00 30.00 21.00 30.00 22.00 30.00 20.00 Arkansas ........: 29.00 28.00 8.00 5.00 6.00 8.00 10.00 7.00 California ......: 24.00 31.00 22.00 25.00 22.00 27.00 23.00 21.00 Colorado ........: 260.00 265.00 95.00 115.00 75.00 80.00 110.00 80.00 Connecticut .....: 1.00 0.70 0.70 0.40 0.60 0.40 0.50 0.40 Delaware ........: 2.30 1.30 0.90 0.90 0.50 0.50 0.30 0.30 Florida .........: 4.00 4.00 3.50 5.00 2.00 2.00 2.00 2.00 Georgia .........: 63.00 60.00 19.00 23.00 21.00 22.00 19.00 21.00 : Hawaii ..........: 3.00 3.00 1.90 1.50 1.80 1.50 1.80 0.50 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 1,250.00 1,310.00 1,210.00 1,140.00 730.00 750.00 860.00 900.00 Indiana .........: 1,010.00 990.00 900.00 900.00 650.00 640.00 810.00 780.00 Iowa ............: 4,840.00 5,110.00 5,940.00 6,300.00 4,850.00 4,710.00 3,600.00 3,770.00 Kansas ..........: 420.00 445.00 345.00 395.00 310.00 320.00 505.00 460.00 Kentucky ........: 75.00 93.00 83.00 94.00 52.00 48.00 67.00 50.00 Louisiana .......: 2.00 2.00 2.00 2.00 1.00 1.00 1.00 1.00 Maine ...........: 1.70 1.50 0.80 1.00 0.40 0.50 0.60 0.50 Maryland ........: 8.00 7.00 4.00 4.00 3.00 3.00 3.00 4.00 : Massachusetts ...: 2.50 2.00 2.20 2.60 1.10 1.60 1.20 0.80 Michigan ........: 305.00 300.00 210.00 225.00 200.00 220.00 235.00 245.00 Minnesota .......: 2,650.00 2,560.00 1,980.00 2,100.00 1,390.00 1,460.00 1,230.00 1,170.00 Mississippi .....: 179.00 181.00 117.00 131.00 79.00 98.00 79.00 99.00 Missouri ........: 1,150.00 1,100.00 450.00 440.00 325.00 360.00 480.00 450.00 Montana .........: 53.00 59.00 32.00 38.00 29.00 28.00 28.00 27.00 Nebraska ........: 830.00 900.00 750.00 790.00 560.00 515.00 520.00 490.00 Nevada ..........: 0.40 0.30 0.40 0.50 0.20 0.20 0.50 0.50 New Hampshire ...: 0.80 0.90 0.70 0.60 0.80 0.70 0.90 0.60 New Jersey ......: 2.00 2.80 2.10 2.50 2.00 2.00 2.20 1.70 : New Mexico ......: 0.30 0.20 0.10 0.30 0.10 0.20 0.20 0.10 New York ........: 22.00 22.00 12.00 14.00 11.00 12.00 12.00 13.00 North Carolina ..: 2,600.00 2,910.00 1,800.00 1,730.00 1,630.00 1,580.00 1,600.00 1,500.00 North Dakota ....: 46.00 55.00 22.00 21.00 17.00 14.00 15.00 14.00 Ohio ............: 640.00 570.00 600.00 580.00 440.00 490.00 350.00 340.00 Oklahoma ........: 560.00 640.00 380.00 400.00 265.00 270.00 355.00 320.00 Oregon ..........: 2.00 2.50 2.00 2.50 1.00 1.00 2.00 1.00 Pennsylvania ....: 265.00 255.00 310.00 320.00 190.00 215.00 215.00 210.00 Rhode Island ....: 0.70 0.50 0.40 0.20 0.20 0.20 0.20 0.20 South Carolina ..: 52.00 45.00 63.00 64.00 61.00 67.00 60.00 61.00 : South Dakota ....: 355.00 360.00 280.00 275.00 185.00 210.00 215.00 235.00 Tennessee .......: 45.00 46.00 28.00 47.00 33.00 55.00 47.00 32.00 Texas ...........: 90.00 155.00 105.00 150.00 130.00 140.00 185.00 215.00 Utah ............: 265.00 210.00 115.00 100.00 120.00 100.00 125.00 95.00 Vermont .........: 0.80 0.90 0.90 0.70 0.50 0.50 0.50 0.40 Virginia ........: 60.00 68.00 62.00 67.00 64.00 67.00 70.00 63.00 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 1.00 0.50 1.00 1.00 0.50 0.50 1.50 1.00 Wisconsin .......: 89.00 92.00 53.00 56.00 53.00 57.00 60.00 54.00 Wyoming .........: 29.00 34.00 7.00 7.00 7.00 4.00 12.00 6.00 : Idaho and : Washington .....: 22.50 19.00 12.50 12.00 10.50 9.50 4.50 5.50 : United States ...:18,389.30 19,025.50 16,080.40 16,630.00 12,576.30 12,635.40 11,972.00 11,790.60 --------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Breeding, Market, and Total Inventory - States and United States: March 1, 2013 and 2014 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : 2014 :2014 as: : 2014 :2014 as: : 2014 :2014 as State : 2013 : :percent: 2013 : :percent: 2013 : :percent : : :of 2013: : :of 2013: : :of 2013 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 145 160 110 575 520 90 720 680 94 Illinois ........: 490 500 102 4,110 3,750 91 4,600 4,250 92 Indiana .........: 270 270 100 3,280 3,080 94 3,550 3,350 94 Iowa ............: 1,020 1,010 99 19,080 18,490 97 20,100 19,500 97 Kansas ..........: 170 170 100 1,630 1,460 90 1,800 1,630 91 Michigan ........: 110 110 100 950 890 94 1,060 1,000 94 Minnesota .......: 570 550 96 7,080 6,950 98 7,650 7,500 98 Missouri ........: 340 355 104 2,410 1,995 83 2,750 2,350 85 Nebraska ........: 390 400 103 2,610 2,600 100 3,000 3,000 100 North Carolina ..: 870 870 100 7,830 6,930 89 8,700 7,800 90 : Ohio ............: 165 170 103 1,935 1,830 95 2,100 2,000 95 Oklahoma ........: 410 430 105 1,880 1,520 81 2,290 1,950 85 Pennsylvania ....: 100 95 95 1,040 1,015 98 1,140 1,110 97 South Dakota ....: 175 170 97 975 1,020 105 1,150 1,190 103 Texas ...........: 105 100 95 605 430 71 710 530 75 Utah ............: 80 75 94 660 635 96 740 710 96 : Other States 1/ .: 424 416 98 2,587 2,528 98 3,011 2,944 98 : United States ...: 5,834 5,851 100 59,237 55,643 94 65,071 61,494 95 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: March 1, 2013 and 2014 [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 :------------------------------------------------------------------------------- : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 275 270 95 95 80 75 125 80 Illinois ........: 1,290 1,070 1,220 1,100 810 810 790 770 Indiana .........: 960 890 970 880 660 620 690 690 Iowa ............: 4,990 4,570 5,800 5,780 4,900 4,850 3,390 3,290 Kansas ..........: 460 390 360 345 300 275 510 450 Michigan ........: 290 275 215 190 225 225 220 200 Minnesota .......: 2,370 2,490 2,060 2,000 1,600 1,480 1,050 980 Missouri ........: 1,050 920 535 385 415 320 410 370 Nebraska ........: 860 820 740 730 580 545 430 505 North Carolina ..: 3,000 2,630 1,880 1,650 1,620 1,540 1,330 1,110 : Ohio ............: 650 580 560 555 460 465 265 230 Oklahoma ........: 790 580 340 335 260 225 490 380 Pennsylvania ....: 235 250 340 345 225 190 240 230 South Dakota ....: 325 330 270 280 200 210 180 200 Texas ...........: 125 80 150 105 150 75 180 170 Utah ............: 285 290 120 130 130 110 125 105 : Other States 1/ .: 898 901 595 582 554 523 540 521 : United States ...: 18,853 17,336 16,250 15,487 13,169 12,538 10,965 10,281 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: June 1, 2013 and 2014 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : 2014 :2014 as: : 2014 :2014 as: : 2014 :2014 as State : 2013 : :percent: 2013 : :percent: 2013 : :percent : : :of 2013: : :of 2013: : :of 2013 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 145 160 110 565 530 94 710 690 97 Illinois ........: 500 490 98 4,150 3,810 92 4,650 4,300 92 Indiana .........: 270 270 100 3,230 3,230 100 3,500 3,500 100 Iowa ............: 1,030 1,000 97 18,970 18,100 95 20,000 19,100 96 Kansas ..........: 170 170 100 1,690 1,470 87 1,860 1,640 88 Michigan ........: 110 110 100 890 880 99 1,000 990 99 Minnesota .......: 580 570 98 7,220 7,080 98 7,800 7,650 98 Missouri ........: 350 380 109 2,300 2,070 90 2,650 2,450 92 Nebraska ........: 400 390 98 2,650 2,610 98 3,050 3,000 98 North Carolina ..: 870 860 99 8,030 6,740 84 8,900 7,600 85 : Ohio ............: 160 165 103 1,970 1,805 92 2,130 1,970 92 Oklahoma ........: 410 430 105 1,830 1,460 80 2,240 1,890 84 Pennsylvania ....: 100 100 100 1,020 1,010 99 1,120 1,110 99 South Dakota ....: 180 175 97 960 1,035 108 1,140 1,210 106 Texas ...........: 100 100 100 520 570 110 620 670 108 Utah ............: 75 75 100 655 645 98 730 720 99 : Other States 1/ .: 434 410 94 2,654 2,668 101 3,088 3,078 100 : United States ...: 5,884 5,855 100 59,304 55,713 94 65,188 61,568 94 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: June 1, 2013 and 2014 [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 :------------------------------------------------------------------------------- : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 285 275 85 105 80 70 115 80 Illinois ........: 1,330 1,220 1,330 1,160 740 770 750 660 Indiana .........: 1,010 890 990 980 630 580 600 780 Iowa ............: 4,890 4,890 6,090 5,640 4,700 4,470 3,290 3,100 Kansas ..........: 480 410 385 360 260 260 565 440 Michigan ........: 280 270 220 210 180 200 210 200 Minnesota .......: 2,540 2,580 2,300 2,150 1,410 1,290 970 1,060 Missouri ........: 1,030 1,005 480 405 390 315 400 345 Nebraska ........: 850 840 760 770 610 510 430 490 North Carolina ..: 3,060 2,750 2,020 1,590 1,600 1,230 1,350 1,170 : Ohio ............: 625 530 585 570 480 440 280 265 Oklahoma ........: 800 620 350 350 210 180 470 310 Pennsylvania ....: 260 275 335 340 205 190 220 205 South Dakota ....: 335 345 270 265 180 205 175 220 Texas ...........: 95 130 125 145 100 140 200 155 Utah ............: 280 270 125 130 125 115 125 130 : Other States 1/ .: 995 954 618 631 514 526 528 556 : United States ...: 19,145 18,254 17,068 15,801 12,414 11,491 10,678 10,166 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: September 1, 2013 and 2014 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- : : :2014 as: : :2014 as: : :2014 as State : 2013 : 2014 :percent: 2013 : 2014 :percent: 2013 : 2014 :percent : : :of 2013: : :of 2013: : :of 2013 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 145 155 107 555 545 98 700 700 100 Illinois ........: 500 510 102 4,100 4,040 99 4,600 4,550 99 Indiana .........: 270 280 104 3,430 3,270 95 3,700 3,550 96 Iowa ............: 1,000 1,030 103 19,900 19,570 98 20,900 20,600 99 Kansas ..........: 170 170 100 1,650 1,640 99 1,820 1,810 99 Michigan ........: 110 110 100 940 900 96 1,050 1,010 96 Minnesota .......: 550 550 100 7,150 7,100 99 7,700 7,650 99 Missouri ........: 350 390 111 2,650 2,410 91 3,000 2,800 93 Nebraska ........: 400 390 98 2,650 2,660 100 3,050 3,050 100 North Carolina ..: 880 870 99 8,420 7,430 88 9,300 8,300 89 : Ohio ............: 165 170 103 1,925 1,880 98 2,090 2,050 98 Oklahoma ........: 420 430 102 1,790 1,590 89 2,210 2,020 91 Pennsylvania ....: 100 100 100 1,040 1,040 100 1,140 1,140 100 South Dakota ....: 170 175 103 980 1,075 110 1,150 1,250 109 Texas ...........: 85 100 118 505 650 129 590 750 127 Utah ............: 80 75 94 660 625 95 740 700 95 : Other States 1/ .: 421 415 99 2,745 2,786 101 3,166 3,201 101 : United States ...: 5,816 5,920 102 61,090 59,211 97 66,906 65,131 97 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: September 1, 2013 and 2014 [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 :----------------------------------------------------------------------- : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 ----------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 285 285 90 115 70 85 110 60 Illinois ........: 1,330 1,220 1,290 1,280 700 830 780 710 Indiana .........: 1,080 970 1,040 1,000 640 620 670 680 Iowa ............: 5,300 5,280 6,490 6,500 4,830 4,470 3,280 3,320 Kansas ..........: 485 465 360 510 270 305 535 360 Michigan ........: 295 270 230 235 190 195 225 200 Minnesota .......: 2,450 2,540 2,280 2,190 1,450 1,370 970 1,000 Missouri ........: 1,180 1,190 650 510 390 350 430 360 Nebraska ........: 850 860 810 830 570 505 420 465 North Carolina ..: 3,140 3,010 2,240 1,820 1,670 1,430 1,370 1,170 : Ohio ............: 620 550 610 600 430 440 265 290 Oklahoma ........: 790 700 345 390 175 220 480 280 Pennsylvania ....: 245 255 355 370 220 215 220 200 South Dakota ....: 355 360 285 305 185 200 155 210 Texas ...........: 125 190 115 190 110 140 155 130 Utah ............: 285 290 130 130 125 105 120 100 : Other States 1/ .: 1,009 1,082 638 683 559 532 540 488 : United States ...: 19,824 19,517 17,958 17,658 12,584 12,012 10,725 10,023 ----------------------------------------------------------------------------------------- 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 2013 and 2014 [December preceding year. May not add due to rounding] ------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop :----------------------------------------------------------------------------------- State : : : 2014 as : : : : : 2014 as : 2013 : 2014 : percent : 2013 : 2014 : 2013 : 2014 : percent : : : of 2013 : : : : : of 2013 ------------------------------------------------------------------------------------------------------- :---- 1,000 head ---- percent ---- number ---- ----- 1,000 head ---- percent : Alabama ...........: 31.00 24.00 77 8.84 8.83 274.00 212.00 77 Alaska ............: 0.12 0.17 142 9.17 9.41 1.10 1.60 145 Arizona ...........: 35.00 33.00 94 10.00 7.79 350.00 257.00 73 Arkansas ..........: 132.00 114.00 86 10.75 9.62 1,419.00 1,097.00 77 California ........: 7.00 8.00 114 8.00 7.38 56.00 59.00 105 Colorado ..........: 281.00 286.00 102 9.50 9.31 2,670.00 2,663.00 100 Connecticut .......: 0.70 0.40 57 8.29 9.00 5.80 3.60 62 Delaware ..........: 2.50 0.80 32 8.40 8.00 21.00 6.40 30 Florida ...........: 4.00 4.00 100 6.50 7.00 26.00 28.00 108 Georgia ...........: 46.00 39.00 85 10.61 10.23 488.00 399.00 82 : Hawaii ............: 2.70 2.40 89 6.93 7.50 18.70 18.00 96 Idaho .............: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ..........: 980.00 1,000.00 102 10.20 10.09 9,997.00 10,089.00 101 Indiana ...........: 515.00 530.00 103 9.88 9.64 5,090.00 5,111.00 100 Iowa ..............: 1,870.00 1,945.00 104 10.51 10.48 19,660.00 20,381.00 104 Kansas ............: 319.00 331.00 104 9.76 9.66 3,114.00 3,199.00 103 Kentucky ..........: 74.00 74.00 100 9.50 9.47 703.00 701.00 100 Louisiana .........: 1.20 1.10 92 7.00 7.18 8.40 7.90 94 Maine .............: 0.80 0.90 113 7.63 7.44 6.10 6.70 110 Maryland ..........: 5.60 5.00 89 8.57 9.40 48.00 47.00 98 : Massachusetts .....: 2.50 1.50 60 8.56 8.13 21.40 12.20 57 Michigan ..........: 202.00 202.00 100 10.17 9.60 2,055.00 1,939.00 94 Minnesota .........: 1,145.00 1,125.00 98 10.71 10.73 12,268.00 12,066.00 98 Mississippi .......: 98.00 100.00 102 10.12 10.26 992.00 1,026.00 103 Missouri ..........: 735.00 755.00 103 10.39 9.34 7,635.00 7,049.00 92 Montana ...........: 45.00 46.50 103 10.27 10.34 462.00 481.00 104 Nebraska ..........: 655.00 680.00 104 10.71 10.74 7,017.00 7,304.00 104 Nevada ............: 0.45 0.40 89 6.67 7.00 3.00 2.80 93 New Hampshire .....: 0.40 0.50 125 8.00 7.60 3.20 3.80 119 New Jersey ........: 1.10 1.30 118 7.82 7.46 8.60 9.70 113 : New Mexico ........: 0.40 0.40 100 7.50 8.50 3.00 3.40 113 New York ..........: 12.00 11.30 94 9.92 11.06 119.00 125.00 105 North Carolina ....: 1,815.00 1,780.00 98 9.80 9.16 17,778.00 16,302.00 92 North Dakota ......: 72.00 71.50 99 10.65 10.77 767.00 770.00 100 Ohio ..............: 341.00 342.00 100 10.30 9.45 3,513.00 3,231.00 92 Oklahoma ..........: 745.00 750.00 101 10.19 9.67 7,591.00 7,253.00 96 Oregon ............: 1.50 1.30 87 7.87 8.23 11.80 10.70 91 Pennsylvania ......: 183.00 188.00 103 10.25 10.27 1,876.00 1,931.00 103 Rhode Island ......: 0.40 0.40 100 7.75 8.50 3.10 3.40 110 South Carolina ....: 20.00 22.00 110 10.10 9.64 202.00 212.00 105 : South Dakota ......: 342.00 344.00 101 10.79 10.71 3,690.00 3,684.00 100 Tennessee .........: 36.00 33.00 92 9.47 9.88 341.00 326.00 96 Texas .............: 155.00 173.00 112 8.58 9.06 1,330.00 1,568.00 118 Utah ..............: 167.00 159.00 95 10.07 9.47 1,682.00 1,505.00 89 Vermont ...........: 0.60 0.60 100 8.00 7.67 4.80 4.60 96 Virginia ..........: 7.50 6.00 80 10.13 10.17 76.00 61.00 80 Washington ........: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia .....: 0.80 0.60 75 9.13 8.33 7.30 5.00 68 Wisconsin .........: 83.00 65.00 78 9.53 9.69 791.00 630.00 80 Wyoming ...........: 72.00 74.00 103 10.58 10.49 762.00 776.00 102 : Idaho and : Washington .......: 18.90 16.60 88 8.78 8.80 166.00 146.00 88 : United States .....:11,265.17 11,349.67 101 10.22 9.93 115,135.30 112,727.80 98 ------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2013-2015 [December preceding year. May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : : 2015 as : : : : : 2014 as : 2013 : 2014 : 2015 2/ : percent : 2013 : 2014 : 2013 : 2014 : percent : : : : of 2014 : : : : : of 2013 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 70 71 73 103 9.60 8.80 672 625 93 Illinois ...........: 245 245 245 100 10.10 10.00 2,475 2,450 99 Indiana ............: 135 120 145 121 9.55 9.20 1,289 1,104 86 Iowa ...............: 465 480 480 100 10.35 9.90 4,813 4,752 99 Kansas .............: 79 80 84 105 9.80 9.15 774 732 95 Michigan ...........: 53 49 50 102 10.25 9.20 543 451 83 Minnesota ..........: 275 275 285 104 10.55 10.50 2,901 2,888 100 Missouri ...........: 180 180 200 111 10.35 9.10 1,863 1,638 88 Nebraska ...........: 165 165 180 109 10.50 10.55 1,733 1,741 100 North Carolina .....: 440 435 440 101 9.50 8.40 4,180 3,654 87 : Ohio ...............: 86 90 89 99 10.10 8.00 869 720 83 Oklahoma ...........: 185 180 185 103 10.20 9.15 1,887 1,647 87 Pennsylvania .......: 44 44 48 109 10.30 10.40 453 458 101 South Dakota .......: 86 82 82 100 10.60 10.65 912 873 96 Texas ..............: 37 41 44 107 8.60 8.60 318 353 111 Utah ...............: 43 40 39 98 9.90 10.00 426 400 94 : Other States 3/ ....: 200 186 201 108 9.93 9.89 1,991 1,840 92 : United States ......: 2,788 2,763 2,870 104 10.08 9.53 28,099 26,326 94 -------------------------------------------------------------------------------------------------------------------------------- 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 2013-2015 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : : 2015 as : : : : : 2014 as : 2013 : 2014 : 2015 2/ : percent : 2013 : 2014 : 2013 : 2014 : percent : : : : of 2014 : : : : : of 2013 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 69 73 73 100 9.50 9.30 656 679 104 Illinois ...........: 250 250 250 100 10.30 9.90 2,575 2,475 96 Indiana ............: 125 125 140 112 9.85 9.25 1,231 1,156 94 Iowa ...............: 465 470 485 103 10.50 10.60 4,883 4,982 102 Kansas .............: 79 82 88 107 9.95 9.25 786 759 97 Michigan ...........: 50 52 50 96 10.20 8.90 510 463 91 Minnesota ..........: 290 290 290 100 10.70 10.60 3,103 3,074 99 Missouri ...........: 180 185 210 114 10.50 8.90 1,890 1,647 87 Nebraska ...........: 160 170 180 106 10.75 10.50 1,720 1,785 104 North Carolina .....: 460 440 445 101 10.05 8.70 4,623 3,828 83 : Ohio ...............: 80 80 86 108 10.30 9.50 824 760 92 Oklahoma ...........: 185 185 191 103 10.30 9.60 1,906 1,776 93 Pennsylvania .......: 44 48 48 100 10.20 10.30 449 494 110 South Dakota .......: 88 90 81 90 10.90 10.70 959 963 100 Texas ..............: 38 43 46 107 8.90 9.40 338 404 120 Utah ...............: 41 41 40 98 10.30 10.50 422 431 102 : Other States 3/ ....: 202 186 197 106 10.11 9.78 2,046 1,819 89 : United States ......: 2,806 2,810 2,900 103 10.31 9.78 28,921 27,495 95 -------------------------------------------------------------------------------------------------------------------------------- 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 2013 and 2014 [May not add due to rounding] -------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------- : : 2014 :2014 as : : : : 2014 :2014 as State : : : : : : : : : 2013 : :percent : : : 2013 : :percent : : :of 2013 : 2013 : 2014 : : :of 2013 -------------------------------------------------------------------------------------------- : 1,000 head percent --- number --- 1,000 head percent : Colorado ...........: 70 72 103 9.50 9.45 665 680 102 Illinois ...........: 250 255 102 10.20 10.20 2,550 2,601 102 Indiana ............: 125 140 112 10.10 9.80 1,263 1,372 109 Iowa ...............: 485 510 105 10.60 10.70 5,141 5,457 106 Kansas .............: 81 84 104 10.05 9.90 814 832 102 Michigan ...........: 50 50 100 10.10 10.10 505 505 100 Minnesota ..........: 290 280 97 10.80 10.85 3,132 3,038 97 Missouri ...........: 195 195 100 10.40 9.80 2,028 1,911 94 Nebraska ...........: 165 170 103 10.85 10.90 1,790 1,853 104 North Carolina .....: 470 460 98 10.10 9.50 4,747 4,370 92 : Ohio ...............: 90 85 94 10.40 10.00 936 850 91 Oklahoma ...........: 190 195 103 10.30 9.70 1,957 1,892 97 Pennsylvania .......: 48 48 100 10.20 10.10 490 485 99 South Dakota .......: 86 88 102 10.90 10.65 937 937 100 Texas ..............: 42 42 100 8.30 9.90 349 416 119 Utah ...............: 43 41 95 10.00 10.40 430 426 99 : Other States 2/ ....: 210 191 91 10.14 9.99 2,128 1,909 90 : United States ......: 2,890 2,906 101 10.33 10.16 29,862 29,534 99 -------------------------------------------------------------------------------------------- 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 2013 and 2014 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Sows Farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------- : : : 2014 as : : : : : 2014 as State : 2013 : 2014 : percent : 2013 : 2014 : 2013 : 2014 : percent : : : of 2013 : : : : : of 2013 -------------------------------------------------------------------------------------------------------------------- : --- 1,000 head -- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 72 70 97 9.40 9.70 677 679 100 Illinois ...........: 235 250 106 10.20 10.25 2,397 2,563 107 Indiana ............: 130 145 112 10.05 10.20 1,307 1,479 113 Iowa ...............: 455 485 107 10.60 10.70 4,823 5,190 108 Kansas .............: 80 85 106 9.25 10.30 740 876 118 Michigan ...........: 49 51 104 10.15 10.20 497 520 105 Minnesota ..........: 290 280 97 10.80 10.95 3,132 3,066 98 Missouri ...........: 180 195 108 10.30 9.50 1,854 1,853 100 Nebraska ...........: 165 175 106 10.75 11.00 1,774 1,925 109 North Carolina .....: 445 445 100 9.50 10.00 4,228 4,450 105 : Ohio ...............: 85 87 102 10.40 10.35 884 901 102 Oklahoma ...........: 185 190 103 9.95 10.20 1,841 1,938 105 Pennsylvania .......: 47 48 102 10.30 10.30 484 494 102 South Dakota .......: 82 84 102 10.75 10.85 882 911 103 Texas ..............: 38 47 124 8.55 8.40 325 395 122 Utah ...............: 40 37 93 10.10 6.70 404 248 61 : Other States 2/ ....: 202 197 97 9.90 9.59 2,004 1,885 94 : United States ......: 2,780 2,871 103 10.16 10.23 28,253 29,373 104 -------------------------------------------------------------------------------------------------------------------- 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 2013 and 2014 [December preceding year] ---------------------------------------------------------------------------------------- : Sows farrowing 1/ : Pigs per litter : Pig crop 1/ Month :----------------------------------------------------------------------- : 2013 : 2014 : 2013 : 2014 : 2013 : 2014 ---------------------------------------------------------------------------------------- : --- 1,000 head --- ----- number ---- ---- 1,000 head --- : December .......: 926 921 10.01 9.60 9,265 8,846 January ........: 931 924 10.07 9.47 9,376 8,753 February .......: 932 918 10.15 9.51 9,458 8,727 March ..........: 951 953 10.24 9.59 9,744 9,139 April ..........: 924 922 10.30 9.78 9,510 9,025 May ............: 932 935 10.38 9.98 9,668 9,331 June ...........: 968 971 10.31 10.08 9,979 9,794 July ...........: 959 964 10.30 10.20 9,881 9,835 August .........: 963 971 10.38 10.20 10,002 9,905 September ......: 943 984 10.28 10.20 9,694 10,038 October ........: 927 953 10.17 10.26 9,423 9,778 November .......: 910 933 10.04 10.24 9,136 9,557 : Total ..........: 11,265 11,350 10.22 9.93 115,135 112,728 ---------------------------------------------------------------------------------------- 1/ Monthly values may not add to quarterly or annual totals due to rounding. Statistical Methodology Survey Procedures: A random sample of roughly 10,900 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 2014, data were collected from about 8,000 operations, 73 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 Dectember 1, 2014. 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 1.2 percent. This means that chances are 2 out of 3 that the final estimate will not be above or below the current estimate of 66.1 million head by more than 1.2 percent. Chances are 9 out of 10 that the difference will not exceed 2.1 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 ............: 1.2 2.1 657 95 1,459 8 12 : Pig crop .....................: 2.0 3.5 455 5 1,190 9 11 : Expected farrowings : : Next quarter ...............: 2.5 4.4 57 0 167 9 11 : Following quarter ..........: 2.8 4.8 66 18 197 8 12 -------------------------------------------------------------------------------------------------------------------------- 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 Travis Averill - Cattle, Cattle on Feed ...... (202) 720-3040 Sherry Bertramsen - Livestock Slaughter ...... (202) 720-3240 Doug Bounds - Hogs and Pigs .................. (202) 720-3106 Donnie Fike - Dairy Products ................. (202) 690-3236 Mike Miller - Milk Production and Milk Cows .. (202) 720-3278 Evan Schulz - Sheep and Goats ................ (202) 720-6147 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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