Content of testosterone in replacement calves'blood depending on their growth, movement activity
1995
Vashchekin, E.P. | Krivopushkina, E.A.
Content of male sexual hormone - testosterone in blood plasm of replacement calves with reference to their movement activity was studied. At the same time animal live bulk and sperm quality were determined. Content of testosterone was established to be higher in blood of 4 - 9 aged calves under increased activity compared to control. It is supposed that high animal movement activity promoters earlier sexual maturation of animals and higher sperm quality as well
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