Synchronization of estrus and fertility of gilts treated by various hormonal preparations
2007
Stancic, B.,Poljoprivredni fakultet, Novi Sad (Serbia) | Radovic, I.,Poljoprivredni fakultet, Novi Sad (Serbia) | Stancic, I.,Poljoprivredni fakultet, Novi Sad (Serbia) | Gagrcin, M.,Poljoprivredni fakultet, Novi Sad (Serbia)
Estrus reaction and fertility in peripubertal (acyclic) and pubertal (cyclic) gilts, were investigated, after treatment with gonadotropin (PMSG) or progestagen (Regumate) preparations. High level of synchronized estrus (90%), farrowing rate (72%) and satisfactory live born piglets per litter (9.87) were estimated in prepubertal gilts, treated by PMSG, after artificial insemination in subsequent spontaneous estrus. Within 7 days after treatment with Regumate, 83.3% of pubertal (cyclic) gilts were obtained in estrus. Only 46.7% of pubertal gilts, treated with PMSG, were in estrus, within 7 days after injection. Farrowing rate and live born piglets per litter, were not significantly different in relation with hormonal treatment.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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