Studies on the effects of different dietary protein levels on the growth and survival of Channa striatus fry to fingerling stage
2020
The importance of the present study, to evaluate to identification of the effective level of protein in the diet plays the role on growth and survival of Channa striatus fry. The experiment was conducted in wet laboratory of College of Fisheries Science for a period of 56 days. The fry was reared with four semi-purified diets containing crude protein percentage of CP 40%, CP 45% and CP 50% and control were estimated for the protein requirement of Channa striatus fry (initial weight 0.5 ± 0.01g and length 3.0 ± 0.1cm) in triplicate set. The fry was reared in 12 fibre tanks (including control treatment) of 54 litre capacities (size 0.6x0.3x0.3 m) and at a stocking density of 15 fry per tank and fed @ 8–5% of body weight. The AWG was significantly high in diet CP 45% (6.11±0.07) in comparison with other treatments and control. The SGR were found significantly (p
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