Vol. 3, Special Issue 3, Part A (2017)

Abstract
Induced breeding is a technique whereby ripe fish brooders are stimulated by synthetic hormone introduction to breed in captivity. Synthetic hormones (drugs) are the only reliable method to procure the pure seed of the fish. New generation drug are now available as an alternative to the pituitary extract and other drugs. The present study deals with observation of gonads and Pituitary gland after treatment of Gonopro-FH in freshwater carp Labeo rohita. It was found that, Gonopro-FH injected fishes shows marked changes in the Pituitary gland as compare to untreated fishes. No cellular difference found in gonads of treated and untreated fishes.