Animal Science, Department of
Department of Animal Science: Faculty Publications
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Document Type
Article
Date of this Version
1974
Abstract
Age at puberty was determined for 205 Gene Pool gilts; 68 fed a 10% protein diet (HLC) consisting of high-lysine corn, minerals and vitamins and 137 fed a 14% protein corn soybeam meal diet (CS). Gilts fed the CS diet reached puberty 18.7 days earlier than gilts fed the HLC diet. Use of post-weaning daily gain as a covariable reduced the difference between diets to 9 days. The pooled within diet regression of age at puberty on post-weaning gain was -22.75 days per kilogram. The correlation between pubertal age and daily gain was significantly higher on the HLC diet (-.30 vs. -.57; P < .025) but the regressions for the two diets did not differ significantly (-26.0 vs. -18.4 days per kilogram).
Comments
Published in the Journal of Animal Science 39 (1974), pp. 63-67. Copyright © 1974 American Society of Animal Science. Used by permission.