alexa Induced Breeding of Grass Carp (Ctenopharyngodon idella) and Silver Carp (Hypophthalmichthys molitrix) Using Ovatide as Synthetic Hormone at National Fish Seed Farm (Nfsf) Manasbal, Kashmir, JandK

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Induced Breeding of Grass Carp (Ctenopharyngodon idella) and Silver Carp (Hypophthalmichthys molitrix) Using Ovatide as Synthetic Hormone at National Fish Seed Farm (Nfsf) Manasbal, Kashmir, J&K

Fast growing food fishes grass carp (Ctenopharyngodon idella) and silver carp (Hypophthalmichthys molitrix) were successfully spawned with Ovatide (combination of GnRH analogue with dopamine antagonist pimozide) in Kashmir. The preparations were administered by an intramuscular injection of single dose of 0.7 and 0.8-0.9 ml/kg body weight for female grass carp and silver carp and a single dose of 0.35 and 0.4-0.45 ml/kg body wt. body wt. for male fishes respectively. After dosing, the fishes were immediately carried to breeding pools in the Chinese Hatchery. After 14-16 hours of dosing spawning took place. After 10-12 hours of spawning, twitching movement started. Hatching occurred after 20-30 hours of fertilization at 24- 26°C.

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