production states, accounting for nearly 91 percent of the U.S. hog inventory and nearly three fourths of U.S. pork producers. By … percent of pigs contained, total confinement facilities were the most widely utilized. The most widespread production phase … deaths were due to respiratory problems. The mean number of piglets born per litter was approximately 10, with 93 percent …

percentage of cows for low production that was unrelated to disease than did producers of smaller herds, classified as having … fewer than 100 cows: cows having low production consisted of 28.1 percent of cull cows from larger herds versus 19.2 percent … of cull cows from smaller herds. Use of specific milk production levels to determine timing of culling in combination …

cows) herds were ranked by milk production per cow. High-producing herds were more likely to use Dairy Herd Improvement … more frequently culled healthy cows using a break-even milk production level than low-producing herds and, on a per …. Average milk production per cow increased with herd size. Contact for this paper: Stephen Ott …

operations). Thirty-eight percent of grower/finisher deaths were due to respiratory problems. The per-pig average feed efficiency …

reported along with a slight increase in unknown problems causing preweaning deaths. Being laid on continued to be the leading … respiratory problems accounted for the highest mortality in 1995 (32 percent). An increase in scours-related mortality of grower … sharp drop in the total number of foodborne disease outbreaks attributed to pork or ham. World pork production increased 8 …

of operations stated reproductive problems as the cause of low milk production of cows culled from the herd. Newborn … among dairy heifer calves was scours (53.8 percent of operations ), with respiratory problems as the second most common … ) among dairy heifer calves from birth to weaning; respiratory problems were estimated to cause 34.8 percent of deaths ( 0 …

of respiratory problems. By the fifth week of life, 37.9 percent of calves had received treatment for symptoms of illness …