INDUCED SPAWNING OF ANABAS (ANABAS TESTUDINEUS, BLOCH) UNDER CAPTIVITY IN PRE-MONSOON AND MONSOON MONTHS
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Authors
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KULDEEP KUMAR
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UTKAL LAXMI MOHANTY
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SUBRATA DASGUPTA
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ASHOK KUMAR SAHU
Abstract
Absence of standardized method for induced spawning and production of spawn remain major constraints for desirable supply of fingerlings required to develop culture practices for climbing perch, Anabas testudineus. Induced spawning experiments conducted during pre-monsoon and monsoon months showed that the fish could be induced for spawning from February through August. However, in spite of higher breeding response (80 - 100%) and egg production (295.7- 374.2 g-1) recorded during March to June, the higher larvae production (186.0 - 233.8 g-1) could be obtained only during May to July. This study revealed that Ovaprim at the rate of 1.5 ml kg-1 body weight efficiently induced Anabas female for early and extended normal spawning. The period between May and July has been found most suitable for induced spawning and spawn production of captive reared Anabas.
Keywords: Anabas, spawning, ovaprim, perch
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