INDUCED SPAWNING OF LABEO DYOCHEILUS IN CAPTIVITY UNDER COLDWATER CONDITIONS
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Authors
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N. N. PANDEY
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R. S. HALDAR
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S. ALI
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P. KUMAR
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R. S. PATIYAL
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P. C. MAHANTA
Abstract
An attempt was made to breed an indigenous carp, Labeo dyocheilus (McClelland) in captivity under coldwater condition at 18-22 o C temperature with optimization of synthetic hormone dose. Full maturity was observed during the 3rd week of July to the end of August. Hormone dose of 0.6 ml kg-1body for females and 0.3 ml kg-1 body for males was found optimum for spawning with 84-98% fertilization and high rate of hatching. Successful breeding of this species in captive condition enabled to produce seeds for wild stock augmentation and species diversification in coldwater aquaculture.
Key words : Labeo dyocheilus, breeding, ovaprim, coldwater.
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