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- Title
A COMPARETIVE OESTRUS AND FERTILITY STUDY ON EVALUATION OF THREE SYNCHRONIZATION PROTOCOLS.
- Authors
Mitharwal, N.; Mehta, J. S.; Purohit, G. N.; Saini, J.; Kajla, M. P.; Kumar, S.; Gadhwal, R. S.
- Abstract
Post-partum cyclic Rathi and its crossbred cows were subjected to oestrus synchronization using either Ovsynch (OVS) (n=12), double progtaglandin injections (PG) 11 days apart (n=12) or CIDR-PG-E2 (CPE) protocols (n=12). Oestrus was detected by twice visual observations and cows were inseminated at standing oestrus using frozen semen. The proportions of cows responding were 100%, respectively for three protocols. OVS, PG and CPE groups oestrus duration was 27.75±1.19 hours, 90±4.31 hours and 37 ± 2.74 hours, respectively. The proportion of cows conceiving was 75, 66.67 and 75% for the OVS, PG and CPE groups, respectively. It was concluded that the OVS protocol is better for oestrus synchronization of Rathi and its crossbred cows.
- Subjects
ESTRUS synchronization; CATTLE breeding; PROSTAGLANDINS; FROZEN semen; PUERPERIUM
- Publication
Veterinary Practitioner, 2016, Vol 17, Issue 2, p225
- ISSN
0972-4036
- Publication type
Article