National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The role of testosterone in reproductive performance of Amur common carp has been studied during different seasons using the RP-HPLC method from gonad and plasma of two different age groups of both sexes. Gonadal and plasma T levels in both the age groups showed similar seasonal trend with highest level in spring season, which decreased in summer and continued to decrease to the lowest level in autumn followed by slight increase in winter season. Statistically significant differences (p< 0.05) were observed in 1+ and 2+ year’s age groups in relation to age, seasons and interaction (age & seasons) for gonadal and plasma T. In both the age groups, levels of gonadal and plasma T were higher in male as compared to female. Pearson’s correlations (p< 0.01) showed significant positive correlation between GSI with gonadal and plasma T. The present study showed that seasonal changes in hormones were found to have profound effect on the scale of success of reproduction of Amur common carp, Cyprinus carpio haematopterus, during spring and summer seasons and 2+ year’s age group showed better reproductive potential.
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