Improving bull development through supplementation of first-calf heifers

Hayley Kennedy
By Hayley Kennedy
Updated May 29 2020 - 3:21am, first published May 28 2020 - 5:03am
Lactational supplementation of first-calf heifers increases calfhood testosterone concentrations of bull progeny.

Supplementing first-calf heifers during lactation rather than feeding stud bulls post-weaning has been found to result in greater scrotal circumference, increased sperm motility and sexual maturity at an earlier age.

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