Heat-stress response of broiler cockerels to manipulation of the gonadal steroids, testosterone and estradiol
1993
Wang, S. | Edens, F.W.
Estradiol supplementation resulted in heat-stress mortality in both intact and caponized cockerels accompanied by depressed plasma corticosterone. Phenotype-selection for large comb and high plasma testosterone increased heat tolerance which was attributed to an increased plasma corticosterone. The results suggested that the presence of testosterone had a positive influence on the heat tolerance of broiler cockerels.
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