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Background. Linseed and its by-products constitute a major source of dietary protein, but due to amino-acid imbalance and presence of anti-nutritional factors their use in fish feed is limited. Therefore, fermentation of linseed by lactic acid bacteria and/or fermented diets increases the level of linseed inclusion into the diet of rohu fingerlings by up to 40 percentage points. Materials and Methods...
Background. Yeast extract powder (YEP) is a rich source of several B vitamins and is used mainly in bacterial culture. In the present study, the effect of dietary supplementation of YEP on growth, feed conversion, nutrient ADC, body composition, and digestive enzyme profile of rohu, Labeo rohita (Hamilton, 1822) fingerlings was evaluated. Materials and Methods. Rohu fingerlings (mean individual weight...
A laboratory feeding trial was conducted for 80 days using rohu, Labeo rohita, fingerlings (5.67 ±0.25 g) to evaluate the optimum dietary carbohydrate level. Five semipurified diets containing 30, 35, 40, 45, and 50% carbohydrate (diets D1 to D5) were formulated and fed to triplicate groups of fish. All the diets were isonitrogenous (35% protein) and almost isocaloric. Fish performance in terms of...
A 60-day feeding experiment was conducted in the laboratory to evaluate the interactive effects of dietary protein and carbohydrate levels on growth, feed utilization efficiency, and nitrogen metabolism in rohu, Labeo rohita fingerlings (mean weight 4.06 ±0.08 g). Nine purified diets prepared with 25, 35, and 40 % protein level each having 15, 25, and 35 % carbohydrate were fed to nine different feeding...
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