Dairy 2007: Changes in the U.S. dairy cattle industry, 1991-2007U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Veterinary Services, National Animal Health Monitoring System, 2007 - Dairy cattle |
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2006 as Percent 2007 Error Small brucellosis BVD vaccine Changes in U.S. colostrum Cow average Cow Std Dairy 1996 Dairy Dairy 2002 Dairy Dairy Std decreased diarrhea ear tags Error 1996 Error Error 2007 Error Error Avg Error Dairy Std Error Pct Error Small fewer fewer than 100 Haemophilus somnus hand-fed colostrum heifers Herd Size Dairy January 1 inventory Johne's disease Lameness or injury Leptospirosis mastitis Milk cow inventory NDHEP 1991 Dairy Neospora North Dakota Number Dairy Cows number of cows number of dairy Number of Milk Operation average operations and percentage Operations Dairy Std operations that fed percent in 1996 percent in 2007 Percent of Percent Percent Operations Dairy Percent Operations Herd Percent Percent percentage of cows percentage of January percentage of operations percentage of unweaned Permanently removed cows Probiotics production per cow Respiratory problems respiratory syncytial virus RHA milk production Selenium Subtotal type of BVD Vitamins A-D-E weaned heifer deaths