Effect of supplemented diet with maturation plant extract on reproductive performance of Etroplus suratansis

Role of Synthetic Hormones on Reproductive Performance in Etroplussuratensis

“…The data were subjected for statistical analysis. The culture and maturation study were conducted following the method described by Dhas A et al [1]. a) Gonadosomatic Index %: Gonadosomatic index (GSI) is the calculation of the gonad mass (g) as a proportion of total body mass (g).…”

“…The average length and width of 20 eggs from each stage were individually measured for egg size. c) Fecundity: Fecundity of a spawner was calculated by counting the total eggs released and deposited at a clutch that happens for 2-3 days by an individual spawner [1]. Counting was made by lifting the egg attached substratum just below the water column and counted by visual method.…”

“…The moving time was recorded. As the moving time is species specific, it was necessary to record the data for E. Suratensis [1].…”

“…After the hatching process, the larvae were separated with the help of 1000 µm net. Thus, all the larvae were carefully collected and sacrificed with lugol solution for easy counting [1].…”

“…The Etroplus suratensis is an economically very important estuarine fish and at the same time most sensitive in confined culture condition and more over the induced spawning of this fish is troublesome one and hence, a few study have been conducted in this estuarine fish [1]. Reproduction in fishes is regulated by external environmental factors that trigger internal mechanisms into actions.…”