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Comparative Study on the Breeding Performance of Two Different Strains (XY Male and YY Male) of Nile Tilapia (Oreochromis niloticus)
Amitav Roy, Abdullah-Al Mamun, Shuva Bhowmik, Md. Tamim Hasan, Priyanka Rani Majumdar
Volume 14 Issue 10
Global Journal of Science Frontier Researc
Volume 14 Issue 10
Global Journal of Science Frontier Researc
The study was conducted to know the breeding performance of two strains (YY and XY male tilapia) of Oreochromisniloticus in Bismillah Agro production hatchery of NoakhaliSadar in Noakhali district, Bangladesh from May to August, 2012.The length, weight of the brood fishes and gonad weight, fecundity, egg fertilization rate, hatching rate, fry survival rate and larval growthin both strains were assessed. YY male showed the highest length and weight during three stocking months. Average fertilization rate and hatching rate were higher in YY male derived than that of XY male derived egg. Higher average larvalsurvival rate and larval growth was observed in YY male derived progeny than that of XY male derived.Production of male population was higher in YY male than XY male tilapia. The result of the present study concluded that YY male tilapia outperformed than XY male in all cases of breeding performance.
