J. Anim Sci.
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J. Anim Sci. 1972. 34:408-410.
© 1972 American Society of Animal Science
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Effect of Dietary Lysine Levels on 21-Day Lactation Performance of First-Litter Sows

John Boomgaardt, D. H. Baker, A. H. Jensen and B. G. Harmon

University of Illinois at Urbana-Champaign,1 Urbana 61801

Abstract

One-hundred three first-litter sows and their litters were used to assess the lysine requirement of the lactating dam during the first 21 days of lactation. The diet fed during lactation was a 16% protein corn-soybean-sesame meal diet (0.60% lysine) supplemented, with one of five levels of L-lysine·HCl (0, 0.125, 0.250, 0.375 and 0.500%). There were no significant differences in any of the performance criteria studied (number of pigs weaned, pig weight and gain to 21 days and first-litter sow lactation weight loss and feed intake). Hence, it would appear that the lysine need of lactating first-litter sows does not exceed 0.60% of the diet or 20 g per day.

Footnotes

1 Department of Animal Science.






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Copyright © 1972 by the American Society of Animal Science.