Induction of ovulation with buserelin in jennies: In search of the minimum effective dose
2014
Camillo, Francesco | Vannozzi, Iacopo | Tesi, Matteo | Sabatini, Chiara | Rota, Alessandra | Paciolla, Elisabetta | Dang-Nguyen, Irene | Panzani, Duccio
The aim of this study was to evaluate the minimum dose of buserelin acetate (buserelin) able to induce ovulation between 24 and 48h from treatment (positive response) in estrous jennies. Jennies were studied during a total of 172 estrous cycles: ovarian activity was routinely monitored by ultrasound; when the dominant follicle reached a diameter of 33±1mm, estrous jennies were treated by subcutaneous administration of different doses of buserelin, 3.3mg (N=11), 1.5mg (N=21), 0.8mg (N=12), 0.4mg (N=16), 0.2mg (N=13), 0.1mg (N=16), 0.04mg (N=14), 0.02mg (N=16), or employed as controls (N=53). Single jennies (P=0.0001) and GnRH dose (P=0.003) significantly affected ovulation rates. Ovulation rates between 24 and 48h of each treated group, except for the 0.02mg group, was higher than in the control group (P<0.05). The minimum dose of buserelin effective to induce ovulation in estrous jennies was 0.04mg.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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