Effect of cohabitation with white-faced ewes on estrous activity of Hampshire and Suffolk ewes exposed to rams in June

Two groups of 24 Hampshire and 26 Suffolk purebred ewes each were used to study effects of cohabitation with cyclic white-faced (WF) ewes on estrous activity in June. Ewes lambed in January, February and March and had been isolated from mature rams since the previous fall breeding. From June 1 to Ju...

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Veröffentlicht in:	Journal of animal science 1990-06, Vol.68 (6), p.1513-1519
Hauptverfasser:	Nugent, R. A., 3rd, Notter, D. R
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals belier brebis Breeding breeds ciclo estral comportamiento sexual comportement sexuel condiciones ambientales condition de milieu cycle oestral environmental conditions Estrus - physiology ete ewes Female Male morueco oestrous cycle oveja ovulacion ovulation Ovulation - physiology progesterona progesterone Progesterone - blood race rams razas Sexual Behavior, Animal sexual behaviour Sheep - physiology summer verano
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