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Effects Of Lysine On Performance Of Lactating Primiparous Sows, K. M. Gourley, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband
Effects Of Lysine On Performance Of Lactating Primiparous Sows, K. M. Gourley, J. C. Woodworth, J. M. Derouchey, M. D. Tokach, S. S. Dritz, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 111 primiparous sows (Line 241; DNA, Columbus, NE) were used in a 21-d study to determine the effect of lysine (Lys) intake during lactation on sow and litter performance and subsequent reproductive performance of primiparous sows. At d 110 of gestation, sows were weighed and randomly assigned to treatment based on weight block. Dietary treatments consisted of increasing levels of standardized ileal digestible (SID) Lys (0.80, 0.95, 1.10, and 1.25% with other AA meeting or exceeding NRC [2012] recommendations as a ratio to Lys). All other nutrients met or exceeded the NRC (2012) estimates. During the lactation …