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Agricultural Science Digest - A Research Journal
Year : 2021, Volume : 41, Issue : 3
First page : ( 484) Last page : ( 491)
Print ISSN : 0253-150X. Online ISSN : 0976-0547.
Article DOI : 10.18805/ag.D-5254

Effect of Solid-state Fermented Aquafeed on Growth Performance, Digestive Enzymes and Innate Immunityof Rohu, Labeo rohita

Das K.C.*, Mohanty S., Sahoo P.K., Das R., Sahoo L., Swain P.

ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar-751 002, Odisha, India

*Corresponding Author: K.C. Das, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar-751 002, Odisha, India, Email: kcdasicar@gmail.com

Online published on 8 October, 2021.

Abstract

Background

There is a scope of increasing the aquaculture production by use of fish feed produced from non-conventional ingredients and also improvement in the quality of feed by solid-state fermentation. The present study was conducted to investigate the effect of solid-state fermented aquafeed on growth performance, digestive enzymes and innate immunity of rohu, Labeo rohita.

Methods

Fish feed containing sesame oil cake and mahua oil cake was fermented through solid-state fermentation by yeast, Saccharomyces cerevisiae and then compared with a non-fermented control feed with the same formula.

Result

Solid-state fermentation increased crude protein (CP), decreased crude fibre (CF) and also lowered (p<0.05) anti-nutritional factors (ANF) of fish feed. After five months of experimental feeding, weight gain and digestibility of nutrients like dry matter, crude protein and ether extract were significantly higher (p<0.05) and feed conversion ratio was significantly lower in fish of fermented feed fed group than the control group. Furthermore, non-specific immune parameters such as lysozyme, myeloperoxidase and haemolytic activities and intestinal enzyme activity of fish fed with fermented feed increased significantly (p<0.05) compared to fish fed control feed. It is concluded that feeding of Saccharomyces cerevisiae fermented feed could improve the growth, digestive enzymes activity and immunity of Rohu, Labeo rohita.

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Keywords

Anti-nutritional factors, Digestibility, Immunity, Growth performance, Labeo rohitaSaccharomyces cerevisiae, Solid state fermentation.

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