Effects of dietary tryptophan:lysine ratio on the reproductive performance of primiparous and multiparous lactating sows.


The objective of this study was to determine the effects of dietary tryptophan (Trp) to lysine (Lys) ratio on the performance of lactating sows. Thirty primiparous and 195 multiparous lactating sows (Landrace×Yorkshire) were allocated on the basis of parity, body weight, and backfat to 5 dietary treatments according to a randomized complete block design… (More)
DOI: 10.1016/j.anireprosci.2016.05.001


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