The Use Of Sex Hormone In Sex Reversal Of Oreochromis Niloticus With SpecialRefrence To Ram Testis

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Date
2015-06-17
Authors
Mohamed, Hassan Ali Osman
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Publisher
UOFK
Abstract
Fish farming has become a world-wide industry meant to meet the ever-growing demand of animal protein for a growing world population. The practices have equally experienced elaboration and varying developments correlated with the needs from place to the other. Utilization of the aquatic resources has called for intensive research and introduction of new technologies to lead to high levels of economic exploitation. The Sudan has experienced modest practices in order to supplement the fish production from both the Nile system, Red sea coast and even the rural areas. Selected species have been involved in the practice. The Nile Bulti, Oreochromis niloticus is topping the list in view of popularity among consumers and its availability throughout the year. But in spite of that it has some problems that require resolving. Of these are multi-spawning throughout the year and the risk of high degree of competition among generations connected with food consumption –which leads to stunted growth. The said problem has initiated this piece of research directed towards sex-reversal in order to re-direct activities towards fattening of the required sex. For the purpose three types of hormones at varying doses were used. These comprised testosterone; aromatase inhibitor and ram testes.The well planned management has induced good and significant sex reversal in the range of 84-100%. Not only that but also the consumption safety was maintained and order of merit amongst the hormones was determined. In this way the results obtained can be left at the disposal of practitioner who needs to get involved in this exercise
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Keywords
Sex Hormone, Sex Reversal, Oreochromis Niloticus,SpecialRefrence,Ram Testis
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