The strategy adopted to isolate high yielding specimens of ROHU through selection out of those collected from various rivers. This was found to be the only feasible method in the present conditions. It was expected to isolate fast growing ones out of these from the crop now under culture as part of the 3rd generation work. The sterile fishes grew faster as their somatic growth got enhanced and the technology of gene transfer had a promising future and this was another alternative field for obtaining high yielding specimens.
The purpose of genetic work was to evolve superior strains. The evaluation of superior strains would bring down the cost of inputs. According to this method the 3rd generation ROHU specimens would have been showing superior growth.
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