Factors contributing to early embryonic mortality in gilts bred at first estrus

Gilts bred at first (n = 18) and third (n = 18) estrus were assigned in replicates of equal numbers to be slaughtered on d 3, 15 and 30 post-mating to assess fertilization rate, embryonic losses and serum concentrations of estrogen (estradiol-17 beta + estrone) and progesterone. Mean number of ovula...

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Veröffentlicht in:	Journal of animal science 1987-02, Vol.64 (2), p.474-478
Hauptverfasser:	Archibong, A.E, England, D.C, Stormshak, F
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals CERDAS CICLO ESTRAL CYCLE OESTRAL ESTROGENOS Estrogens - blood Estrus - blood FECONDITE FECUNDIDAD FECUNDITY Female Fetal Death - etiology Fetal Death - veterinary FOETAL DEATH MORT DU FOETUS MUERTE FETAL OESTROGENE OESTROGENS OESTROUS CYCLE PERFORMANCE DE REPRODUCTION Pregnancy Pregnancy, Animal - blood PROGESTERONA PROGESTERONE Progesterone - blood REPRODUCTIVIDAD REPRODUCTIVITY SOWS Swine - physiology TRUIE
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