Study on the fecundity of Salmo trutta fario (Brown trout) in Kashmir

Nusrat Rasool, Ulfat Jan


The study has been carried in the year 2004 and describes fecundity, spawning season and sex ratio of brown trout, Salmo trutta fario. A total of 121 brown trout (67 males and 54 females) were captured by angling. Gonad somatic index (GSI) confirmed that spawning lasted from October to December. The left ovary, with some exceptions, was found to be longer and heavier producing more eggs than the right one. The absolute fecundity of sampled population varied from 527 to 2445 and the relative fecundity had a mean value of 2.56. Fecundity was positively co-related with the total fish length (r=0.865), fish weight (r=0.9426) ovary weight (r=0.952) and ovary length (r=0.845).

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Journal of Biology and Life Science  ISSN 2157-6076

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