Effect of feeding solid state fermented mahua oil cake (Bassia latifolia) on growth performance, enzymatic and immunological parameters in rohu (Labeo rohita) Mohanty Pratikhya, Mohanty Snehalata, Sahoo Lakshman, Swain Priyabrat, Das Krushna Chandra* ICAR-Central Institute of Freshwater Aquaculture, KausalyagangaBhubaneswar-751002, India *Corresponding author: kcdasicar@gmail.com
Online published on 1 October, 2022. Abstract Solid-state fermentation of mahua oil cake (Bassia latifolia) was carried out by yeast Saccharomyces cerevisiae and then it was incorporated as feed ingredient for production of fish feed for rohu (Labeo rohita). To evaluate the solid-state fermented mahua oil cake as feed ingredient in rohu, two types of fish feeds were produced i.e. a control feed using raw mahua oil cake and treatment feed using solid-state fermented mahua oil cake. A feeding trial of 60 days’ duration was conducted to know the effect of feeding fish with fermented mahua oil cake during which growth performance, digestibility of nutrients, intestinal enzyme activity and non-specific immune parameter of fish fed on fermented mahua oil cake. Solid-state fermentation of mahua oil cake by yeast improved the quality of mahua oil cake by increase in crude protein (CP), decrease in crude fibre (CF) and anti-nutritional factors like saponin and tannin. Use of fermented mahua oil cake as feed ingredient in rohu resulted in significant improvement (P<0.05) of growth performance and digestibility of nutrients (dry matter, crude protein, crude fibre and ether extract) compared to control fed with raw mahua oil cake. Similarly, significantly higher (P<0.05) intestinal enzyme activity like amylase and protease and non-specific immune parameters like lysozyme, myeloperoxidase, bacterial agglutination, hem-agglutination and respiratory bust activity (P<0.05) were recorded in fish fed on fermented mahua oil cake compared to fish fed on raw mahua oil cake. This showed that, feeding of solid state fermented mahua oil cake increased the growth performance, enzyme activity and immunological parameters in rohu compared to mahua oil cake without solid state fermentation. Top Keywords Growth performance, Immune response, Mahua oil cake, Rohu, Solid-state fermentation. Top |