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International Journal of Fauna and Biological Studies

FAUNA

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Impact Factor: RJIF 5.53

e-ISSN : 2347-2677, p-ISSN : 2394-0522

NAAS Rating: 4.00

International Journal of Fauna and Biological Studies

2016, Vol. 3 Issue 1, Part A
Dose optimization with synthetic hormone flash for induced spawning of Shing (Heteropneustes fossilis)
Author(s): Md. Munsur Ali, Abdulla-Al-Asif, Md. Azharul Islam Shabuj, Omar Faruq, Suvashis Vaumik, Md. Abu Zafar, B.M. Newaz Sharif
Abstract: An experiment on induced breeding of Heteropneustes fossilis was carried out to determine the optimum dose of Flash hormone at the Bogura Matshya Khamar, Parulia, Palash, Norshindhi. The present study consisted of three treatments (T1, T2 and T3) with nine replications of each. Forty five pairs of male and female were selected from the brood rearing ponds and the average body weight of the female and male were 100±10 g and 55±5 g respectively. To observe the effective dose for induced breeding, the females were injected at the rate of 0.5 (T1), 0.45 (T2) and 0.42 (T3) ml Flash/kg body weight and correspondingly the males were administered a dose of 0.20 (T1), 0.18 (T2) and 0.17 (T3) ml Flash/kg body weight in all treatments. The fertilization rate and hatching rate were determined. Then the hatchlings were reared in aquarium up to 7 days and survival rate was determined. The water temperature was recorded between 26 to 310C during experimentation. Among the three treatments T1 showed the best result in terms of fertilization rate (80.33%), hatching rate (71.67%) and survival rate (61.56%). The present findings can be used in induced breeding of Heteropneustes fossilis for the development of hatchery propagation.
Pages: 39-45  |  570 Views  25 Downloads
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