Utilization of electron beam irradiated Jatropha kernel meal in the diet of Labeo rohita (Hamilton, 1822) fingerlings

Sanap, B N and Sardar, P and Sahu, N P and Phulia, Vikas and Shamna, N and Dasgupta, S and Pailan, G H and Linga Prabu, D and Datta, S (2018) Utilization of electron beam irradiated Jatropha kernel meal in the diet of Labeo rohita (Hamilton, 1822) fingerlings. Aquaculture Nutrition. pp. 1-14.

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    Abstract

    Defatted Jatropha kernel meal (DJKM) was irradiated through electron beam radiation at 25 kGy (IJKM). After irradiation, PEs and phytate were decreased by 36.67% and 55.27%, respectively, with slight reduction in total hydrolysed amino acids in IJKM. A 45‐day feeding trial was conducted to evaluate the utilization of irradiated Jatropha kernel meal (IJKM) in the diet of rohu (Labeo rohita) fingerlings. Five isonitrogenous (300 g/kg CP) and isoenergetic (15 MJ/kg GE) diets such as T0 (control, without IJKM), T5 (50 g/kg IJKM), T10 (100 g/kg IJKM), T15 (150 g/kg IJKM) and T20 (200 g/kg IJKM) were prepared and fed to fish of respective treatments. Fish fed diets containing T15 and T20 groups exhibited significantly lower (p < .05) weight gain, FCE, PER, ANPU, HSI, ISI, survival rate, nutrient and energy digestibility, than the other groups. Fish of higher IJKM fed groups (T15 and T20) also showed lower muscle moisture, protein, ash and higher muscle lipid content. The liver catalase and SOD activities significantly decreased in the higher IJKM fed groups. It is concluded that IJKM (irradiated by 25 kGy electron beam) can be incorporated up to 100 g/kg in carp feed with the replacement of 33% soybean meal and 28% ground nut oil cake without compromising growth performances of Labeo rohita.

    Item Type: Article
    Uncontrolled Keywords: antinutritional factors, digestibility, electron beam irradiation, growth, Jatropha kernel meal, Labeo rohita
    Subjects: Fish and Fisheries > Fish Nutrition
    Aquaculture > Aquafeed
    Divisions: CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology
    CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI-Kochi > Marine Biotechnology
    Depositing User: Arun Surendran
    Date Deposited: 12 May 2016 05:30
    Last Modified: 17 May 2018 05:51
    URI: http://eprints.cmfri.org.in/id/eprint/10777

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