Efficacy of Dietary Supplementation with Phytase and Citric Acid on Whole-Body Composition and Hematological Parameters of Cyprinus carpio and Cirrhinus mrigala Fingerlings Fed on Canola Meal-Based Diet
Efficacy of Dietary Supplementation with Phytase and Citric Acid on Whole-Body Composition and Hematological Parameters of Cyprinus carpio and Cirrhinus mrigala Fingerlings Fed on Canola Meal-Based Diet
A 90-day feeding trial was designated to evaluate how canola meal (CM)-based diet supplemented with phytase (PHY) and citric acid (CA) affects whole-body composition and hematological parameters in Cirrhinus mrigala and Cyprinus carpio fingerlings. Sixteen experimental diets (T1─T16) with varied CA (0 and 2.5%) and PHY (0 and 750 FTU/kg) levels were prepared. The fingerlings were fed at the rate of 5.0% of live fish body mass. Fifteen fish were randomly stocked into triplicate tanks for each of sixteen test diets. Significant (p<0.05) increase in crude protein (CP) and crude fat (CF) was noticed in fish fed T12 (2.5% CA and 750 FTU/kg PHY) diets. Comparison of treatments showed maximum values of RBCs (3.57×106 mm-3 and 3.18×106 mm-3), PLT (83.32 and 80.35), Hb (8.92g/100ml and 8.62g/100ml) and PCV (29.07% and 30.07%) in C. mrigala and C. carpio fingerlings, respectively, when fed with T12 diets. Conclusively, a 50% CM-based diet with 2.5% CA and 750 FTU/kg PHY supplementation, performed better in terms of whole-body composition and hematological parameters in C. mrigala and C. carpio fingerlings.
ABSTRACT
A 90-day feeding trial was designated to evaluate how canola meal (CM)-based diet supplemented with phytase (PHY) and citric acid (CA) affects whole-body composition and hematological parameters in Cirrhinus mrigala and Cyprinus carpio fingerlings. Sixteen experimental diets (T1─T16) with varied CA (0 and 2.5%) and PHY (0 and 750 FTU/kg) levels were prepared. The fingerlings were fed at the rate of 5.0% of live fish body mass. Fifteen fish were randomly stocked into triplicate tanks for each of sixteen test diets. Significant (p<0.05) increase in crude protein (CP) and crude fat (CF) was noticed in fish fed T12 (2.5% CA and 750 FTU/kg PHY) diets. Comparison of treatments showed maximum values of RBCs (3.57×106 mm-3 and 3.18×106 mm-3), PLT (83.32 and 80.35), Hb (8.92g/100ml and 8.62g/100ml) and PCV (29.07% and 30.07%) in C. mrigala and C. carpio fingerlings, respectively, when fed with T12 diets. Conclusively, a 50% CM-based diet with 2.5% CA and 750 FTU/kg PHY supplementation, performed better in terms of whole-body composition and hematological parameters in C. mrigala and C. carpio fingerlings.
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