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OJVRTM
Online
Journal of Veterinary Research©
Volume
23 (10):1027-1031, 2019.
Effect of
route of administration and dose of progesterone on bovine estrus.
Shukla
MK1 and Garg A2.
1Department
of Animal Reproduction, Gynaecology and Obstetrics,
College of Veterinary Science and Animal Husbandry, 2Sardar Krushinagar Dantiwada
Agricultural University, Sardar Gujarat, India.
ABSTRACT
Shukla MK, Garg A, Effect of route of
administration and dose of progesterone on bovine estrus, Onl
J Vet Res., 23 (10):1027-1031, 2019. Forty
lactating Murrah buffaloes with a history of normal
calving 4-6 months earlier and not reported in estrus since then were used. Groups
of 10 buffaloes each were administered 25 mg progesterone intra muscular (IM) or
10mg intra uterine (IUT) or vulvar (IVU) routes. Controls were injected 2ml
distilled water IM. Buffalo were observed for estrus and those confirmed were
bred with bulls at 72 and 96 hours after a 2nd injection of progesterone. We
detected heat in 8 buffalo given the drug IM, 7 IUT and 8 IVU ( P > 0.05 ) but only in 2 controls (P < 0.05). Time to estrus was determined and pregnancy
confirmed rectally at 60 days. We detected estrus 53 to 69h in all groups (P >
0.05) but only 3 to 4 treated buffalo conceived (P > 0.05) and none of the
controls (P < 0.05)
Key
words: Dinoprost, Prostaglandin, Murrah
buffalo, subestrus, Estrus synchronization
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