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Effect of energy supplementation and exogenous progesterone on induction of puberty in water buffaloes



Effect of energy supplementation and exogenous progesterone on induction of puberty in water buffaloes



11th International Congress on Animal Reproduction and Artificial Insemination, University College Dublin, Ireland, June 26-30, 1988 Volume 4 Brief Communications (Paper 533): 3pp.



14 prepubertal Nili-Ravi buffalo heifers, aged 20-25 months and weighing 280-375 kg, were assigned in Oct. 1986 for 100 days to 100% of the recommended ration (controls) or to 120% of the recommended ration, and were checked thrice daily for oestrus and monitored fortnightly by serum progesterone concentration and rectal palpation. 28.6% of the 7 supplemented heifers showed oestrus before the end of the 100-day period vs. 14.3% of the 7 controls. at the end of the 100-day period, heifers not showing cyclic ovarian activity were injected with 30 mg progesterone daily for 14 days; of the 5 supplemented heifers, 80.0% responded to treatment vs. 50% of the 6 controls (P<0.05).

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Accession: 002082003

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