Oestrous cycles in Bos taurus cattle

The oestrous cycle in cattle lasts for 18-24 days. It consists of a luteal phase (14-18 days) and a follicular phase (4-6 days). During the cycle there are generally two (dairy cows) or three (heifers and beef cows) waves of ovarian follicle growth. Each wave of follicle growth consists of a period...

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Bibliographische Detailangaben
Veröffentlicht in:	Animal reproduction science 2011-04, Vol.124 (3-4), p.163-169
Hauptverfasser:	Forde, N, Beltman, M.E, Lonergan, P, Diskin, M, Roche, J.F, Crowe, M.A
Format:	Artikel
Sprache:	eng
Schlagworte:	animal ovaries Animals anterior pituitary beef cows Cattle Cattle - physiology Corpus Luteum - physiology dairy cows Dominant follicle estrous cycle Estrous Cycle - physiology Female follicle-stimulating hormone gonadotropin-releasing hormone luteinization luteinizing hormone luteolysis Oestrous cycle Ovarain follicles Ovarian Follicle - physiology ovulation Pregnancy progesterone Sexual Behavior, Animal - physiology uterine involution uterus
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