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The frys of common carp (Cyprinus carpio) were procured from Chiliya fish hatchery (Thatta- Sindh) and weighed up to 3.33-5.06 gm. All were distributed into four groups and fed @ 3% of body weight twice daily with four diets: D I, D II, D III and D IV, containing 25, 35, 45 and 55% fish meal respectively as major ingredient. Other inclusions were starch, fish oil, vitamin mixture, minerals premix, carboxymethyl cellulose, and oxytetracycline. The experimental frys respond differently throughout the study period in each group. In D I, total weight in beginning to the end was 4.193±1.567 to 5.89 ±2.86 gm and minimum weight gain was -4.53 to maximum 16.25% like wise in other diets (D II, D III & D IV as 4.4870±2.024 to 6.30±3.78 gm and 2.60 to 17.9%; 5.073±2.037 to 7.450±2.121 and -0.15 to 15.38%; and 4.633±1.568 to 7.309±2.755 and -4.51 to 17.64%. Group II fed with 45% fish meal show maximum weight gain. The growth response was calculated in term of ADG, PER, FCR, SGR and K- factor. Daily feed allowance (DFA) was similar to each group @ 3% of body weight. FCR was found to be better in D II i.e. 0.968±0.53 while SGR calculated as 2.62±1.99 in D III indicating significant effects of dietary protein on growth response of tested fish.

Mohammad Shoaib, Saadia Kazmi, Faisal Ameer, Mohammad Nasir, Mohsna Ali. (2006) EFFECT OF DIETARY PROTEIN ON GROWTH RESPONSE OF COMMON CARP (CYPRINUS CARPIO), , Volume 3, Issue 2.
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