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- Title
Evaluation of Breeding Performance and Larval Growth of Catla catla using Normal Saline Diluted Wova-FH.
- Authors
DAS, S. S.; CHOUDHURY, D.; NANDA, S.; KHUNTIA, B. K.
- Abstract
The present investigation was carried out to evaluate the effect of hypophysation with diluted Wova-FH hormone on breeding performance and spawn growth of Catla catla. The hormone was diluted using normal saline. The experiment was conducted in five experimental groups, T0 (control; 100% Wova-FH), T1 (25% diluted Wova-FH), T2 (50% diluted Wova-FH), T3 (75% diluted Wova-FH), and T4 (100% normal saline) in triplicate. A significantly (P < 0.05) higher spawning response percentage (85.18%), lower latency period (8.11 h), more number of egg output (6.2789 lakh), high % of fertilization (73.98%), high percentage of hatching (76.66%), and a greater number of spawn recovered (3.6651 lakh) were observed in T0 followed by T1. The treatments T2 and T3 showed significantly lower values in all the breeding parameters. In case of T4 treated with 100% normal saline, the brooders did not respond to the hypophysation. The significantly highest net weight gain (2.09 g) and percentage survivability (48.99%) of spawn were observed in T0 followed by T1 where 25% diluted Wova-FH was used. From the results, it can be inferred that 25% normal saline diluted Wova-FH can be practiced for induced breeding of C. catla without affecting the breeding performance, spawn growth, and survival.
- Subjects
CATLA catla; WEIGHT gain; BREEDING; SPAWNING; SURVIVAL
- Publication
Journal of Environment & Bio-sciences, 2022, Vol 36, Issue 2, p115
- ISSN
0973-6913
- Publication type
Article