Evaluation of Growth Performance of Walking Catfish (Clarias Batrachus) using Low Cost Fish Feed

Author(s)	Ravindra Singh
Country	India
Abstract	To evaluate the effects of various types of low cost conventional fish feed on biomass conversion rate as well as on gonad (ovarian) weight in walking catfish (Clarias batrachus) an experiment was carried out in Badkulla. Three groups of juvenile fish (5.0 ± 0.15 g; 4.5 ± 0.12 cm) were fed with four different types of feeds as, silk worm meal (SWM), magmeal (MGM), vermimeal (VRM) and molluscan meal (MCM) which were isonitrogenus (30 g 100 g–1) and isocaloric (4 Kcal g–1) in nature. Due to presence of dry earth warm dust, rice bran, mustard oil cake and eggshell powder the SWM was proved to be the best proteinacious and economical feed among the three feed tested. Significant differences (P<0.05) in body weight gain, protein efficiency ratio and gonadosomatic index were observed in fishes when they were fed with different types of diets such as the SWM, MGM, VRM and MCM. There were no significant differences (P<0.05) among feed conversion ratio, energy retention and hepatosomatic index. The study suggests that the SWM diets, which led to significantly higher (P<0.05) growth and nutrient utilization than the other two diets in common cat fish (Clarias batrachus) will be helpful towards the development of pond culture of these fish species.
Keywords	Biomass, gonad, isonitrogenous, isocaloric, walking-catfish (Clarias batrachus)
Field	Biology > Zoology
Published In	Volume 2, Issue 2, March-April 2020
Published On	2020-04-05

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