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Gonadotropin releasing hormone therapy in anestrous repeat breeder and follicular cystic cows

, : Gonadotropin releasing hormone therapy in anestrous repeat breeder and follicular cystic cows. Indian Veterinary Journal 68(3): 267-270

The therapeutic efficacy of a gonadotrophin releasing hormone (GnRH) analogue for induction of oestrus in anoestrous cows was better in zeub .times. taurus (50%) than in zebu (26.7%) cows with 25.0, 58.4 and 16.6% of the treated cows showing oestrus at intervals of 2 to 3, 10 to 14 and 17 to 20 days respectively. However, significantly higher (P < 0.01) conceptions and shorter (P < 0.01) interval to conception after three oestrous periods was observed when GnRH was preceded by 7 day progestogen treatment. Treatment of repeat breeder cows with GnRH at the time of insemination or at mid-cycle prior to insemination resulted in a conception rate of 54.2% and for follicular cystic cows, a conception rate of 42.9% at first service and 71.4% after 3 oestrous periods.


Other references

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Stirling, R.G., 2015: Clinical quality registries: engaging effectiveness data for quality improvement. American Journal of Public Health 104(12): E10-E10

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Katsumata, K.; Okada, T.; Ohta, T.; Terashima, M.; Katsumata, Y., 1986: Incidence of sleep apnea syndromes in general patients at a hospital for internal medicine. Incidence of sleep apnea syndromes in the general population in Japan is unknown. To investigate this incidence in Japan, sleep apnea syndromes were carefully diagnosed for all patients who visited a private hospital located in Naka Ward, Nagoya,...

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