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Influence of Different Levels of Supplementary Feeding on the Growth Performance of Major Carps

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Author(s): Muhammad Ramzan Ali | Iftikhar Ahmed | Maqbool Ahmed | Lubna Sahar

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 6;
Issue: 9;
Start page: 849;
Date: 2003;
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Keywords: Inidan carps | Labeo rohia | Catla catla | Cirrhinus mrigala | growth performance | feeding | feed conversion efficiency

ABSTRACT
An experiment was conducted in earthen ponds to observe the effect of varying levels of supplementary feed on the growth performance of Indian major carps and to evaluate the optimum feeding level for these species. Although the total fish production increased with increasing feeding levels, yet statistically there was an increase in weight gain up to 6% of feeding rate, but the difference between 6 and 8% feeding level was non significant. Feed to weight gain ratios (FCR) showed increasing trends, while feed conversion efficiency (FCE) decreased with increase in feeding levels. There was a highly positive correlation between feed added and weight gain in all treatments. Specific growth rate was maximum in Cirrhinus mrigala followed by Labeo rohita and Catla catla. Net profit was maximum at 6% feed supplementation.
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