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Journal of Animal Science Abstract -

Lysine Supplementation of High Lysine Corn and Normal Corn-Peanut Meal Diets for Growing Swine


This article in JAS

  1. Vol. 34 No. 4, p. 587-591


  1. H. R. Thomas and
  2. E. T. Kornegay1, 2
  1. Virginia Polytechnic Institute and State University, Holland and Blacksburg, Virginia 24061



Three trials involving 368 pigs averaging from 18.5 to 24.6 kg initially were conducted to compare high lysine corn- and normal corn-peanut meal diets with and without L-lysine supplementation. Rate of gain was greater and feed/gain was less for pigs fed high lysine corn-peanut meal diets unsupplemented with lysine as compared with unsupplemented normal corn-peanut meal diets, although the performance was suboptimum with both diets without added lysine. Average daily gain, feed intake and feed/gain were improved when lysine was added to either high lysine corn or normal corn. Rate of gain and feed/gain were positively related to the dietary lysine content of the diets irrespective of the kind of corn up to a level of about 0.85% total lysine. It was concluded when diets for growing pigs are formulated to contain about 16% protein using high lysine corn and peanut meal, the lysine content of high lysine corn, although higher than that of normal corn, is not adequate to overcome the lysine deficiency.

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Copyright © 1972. American Society of Animal ScienceCopyright 1972 by American Society of Animal Science.