Abstract
Thirty-five growing pigs (initially 65 ± 2 lb) were used in a metabolism study to determine the effects of a single enteric disease challenge on N retention, growth performance, and blood immunological variables. Twenty-one pigs were challenged with Salmonella typhimurium, and six pigs were assigned to an ad libitum-fed, nonchallenged control group. Eight additional nonchallenged pigs were pair-fed the feed intake of an S. typhimurium challenged counterpart. There were five 4 d collection periods (d 4 to 7, d 8 to 11, d 12 to 15, d 16 to 19, and d 22 to 25), with the S. typhimurium challenge occurring on d 8. Serum haptoglobin concentration increased in the diseasechallenged pigs, when compared to both nonchallenged treatments Growth performance and N retention were decreased temporarily during the immune challenge period but recovered to levels similar to those of nonchallenged control pigs by the end ofthe experiment on d 25. These results suggest that a single acute disease challenge may not be accompanied by large compromises in grow1h performance and lean growth rate.; Swine Day, Manhattan, KS, November 19, 1998
Highlights
Thirty-five growing pigs were used in a metabolism study to determine the effects of a single enteric disease challenge on N retention, growth performance, and blood immunological variables
Twenty-one pigs were challenged with Salmonella typhimurium, and six pigs were assigned to an ad libitum-fed, nonchallenged control group
There were five 4 d collection periods (d 4 to 7, d 8 to 11, d 12 to 15, d 16 to 19, and d 22 to 25), with the S. typhimurium challenge occurring on d 8
Summary
Volume 0 Issue 10 Swine Day (1968-2014) Effects of an enteric disease challenge on growth, nitrogen retention, and immune status indicators in growing pigs Follow this and additional works at: https://newprairiepress.org/kaesrr
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