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  • Title: [The effect of various doses HCG on ovulation stimulation in gilts following previous biotechnical puberty induction].
    Author: Schlegel W, Stenzel S, Krebs R, Wähner M.
    Journal: Arch Exp Veterinarmed; 1978; 32(6):863-7. PubMed ID: 571265.
    Abstract:
    The effects of various doses of human chorionic gonadetropine (HCG) to stimulate ovulation in 86 gilts in which puberty had been induced by administration of 500 IU of pregnant mare serum (PMS) and 250 IU of HCG were established by slaughter. Only 26.9 per cent of the group without HCG had completed ovulation 120 hours from puberty induction, but 93.5 per cent had done so in the group which had received additional 500 IU or HCG 78 hours after the PMS/HCG injection. Ovulation was completed by 71.4 per cent of those sows which had been stimulated, using 250 IU of HCG. More accurate timing of ovulation in animals of one and the same group can be helpful in better insemination timing.
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