Effects of progesterone pretreatment on fertility of gilts mated at an induced pubertal estrus

The effects of progesterone (100 mg/d, im) on pubertal fertility were examined in 247 gilts over 3 experiments. In the first experiment, 128 gilts were exposed to progesterone for 0, 2, 4 or 8 d before receiving PMSG (750 IU) 1 d later. The number of large (>4mm) follicles or corpora lutea (CL) w...

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Veröffentlicht in:Theriogenology 1994, Vol.42 (1), p.99-106
Hauptverfasser: Nephew, K.E., Cardenas, H., Pope, W.F.
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Sprache:eng
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