Observations on the Induced Breeding of Labeo bata (Hamilton) With Ovaprim and Ovatide as Inducing Agents With a Note to Its Development
DOI:
https://doi.org/10.61885/joa.v15.2007.35Keywords:
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Induced breeding of Labeo bata was conducted using synthetic hormones, Ovaprim in three dose combinations, viz., 0.6 & 0.3 ml/kg, 0.5 & 0.2 ml/kg and 0.4 & 0.1 ml/kg body weight and Ovatide at 0.5 & 0.3 ml/kg, 0.4 & 0.2 ml/kg and 0.3 & 0.1 ml/kg for female and male, respectively. The latency period was found to be 7-8 hours. The egg output per female was highest at a dose combination of 0.5 ml/kg to female and 0.2 ml/kg to male with Ovaprim and at 0.4 ml/kg female and 0.2 ml/kg male with Ovatide. The number of eggs released by the females (40-45 g body weight) ranged 3500-4000. The highest fertilization and hatching rate recorded were 55.7±1.50% and 53.42±2.31%, respectively with Ovaprim at dose of 0.5 ml/kg to female and 0.2ml/kg males.
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