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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 5
Cashew nut Anacardium occidentale L. byproducts as an alternative protein source for post-larvae of Macrobrachium rosenbergii (de Man, 1879)

Wasave SS, H Singh and Wasave SM

The potential of cashew nut, Anacardium occidentale L., by-products as partial fish meal alternative in diets for post-larvae of Macrobrachium rosenbergiiwas evaluated. The Cashew nut byproducts - testa was characterized with respect to proximate, mineral, and energy profile. The crude protein, crude fiber, fat and ash contents were, in g kg−1 190.0, 103.0, 20.1, and 20.2, respectively, with metabolizable energy of 7.12 MJ kg−1. The experiment was conducted in triplicate for the period of 60 days. In a feeding trial, diets containing cashew nut testa at the rate 0, 1.52, 3.04, 6.08 and 12.16% (designated as control, T1, T2, T3, and T4) of fish meal protein replacement were tested for growth parameters and survival for the post larvae of M. rosenbergii. The length gain was greater (73.97%) with T2 diet and lower (43.48%) in post-larvae fed with T4 diet. The superior growth performance of weight gain (384.76%) and highest specific growth rate (2.62%) was observed in post-larvae of M. rosenbergii fed with T2 diet. The maximum survival was 59.17% with T2 diet while post-larvae fed with T1 diet showed the minimum survival of 44.17%. Among all the test diets, post-larvae fed with 3.04% cashew testa powder incorporated diet showed significantly higher weight gain, specific growth rate and survival. It can be concluded that, 3.04% of cashew testa could be incorporated in the diet of the post-larvae of M. rosenbergii against the fishmeal to achieve better weight gain and specific growth. But to achieve better survival percentage of the post-larvae of M. rosenbergii future investigations needs to be focus on the anti-nutritive factors of the cashew testa.
Pages : 30-35 | 1032 Views | 106 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Wasave SS, H Singh, Wasave SM. Cashew nut Anacardium occidentale L. byproducts as an alternative protein source for post-larvae of Macrobrachium rosenbergii (de Man, 1879). J Entomol Zool Stud 2019;7(5):30-35.
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