Effects of dietary threonine:lysine ratioes and sanitary conditions on performance, plasma urea nitrogen, plasma-free threonine and lysine of weaned pigs
Two 21 d-experiments were conducted to determine the optimum standardized ileal digestible (SID) threonine:lysine ratio (Thr:Lys) for weaned piglets reared under clean (Exp. 1) or unclean (Exp. 2) sanitary conditions and fed antibiotic-free diets. In each experiment, 90 mixed-sex pigs (Duroc × [York...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
KeAi Communications Co., Ltd.
2015-12-01
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Series: | Animal Nutrition |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2405654515300378 |