African Journal of Water Conservation and Sustainability
African Journal of Water Conservation and Sustainability ISSN: 2375-0936 Vol. 10 (1), pp. 001-004, January, 2022. © International Scholars Journals
Full Length Research Paper
Body composition of freshwater Wallago attu in relation to body size, condition factor and sex from southern Punjab, Pakistan
Muhammad Yousaf*, Abdus Salam and Muhammad Naeem
Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan 60800, Pakistan.
Accepted 13 October, 2021
Wallago attu is one of the large freshwater catfish found in Pakistan. The rapid growth and high nutritional quality encouraged investigation into the aquaculture potential of this excellent food fish. It was observed that body size had a positive influence on percent ash, percent fat and percent protein contents (wet weight) but there was no significant effect on percent water content. The condition factor had a positive correlation with fat, ash and protein contents (%wet weight) but no influence on percent water content. There was no significant influence of sex on body composition of W. attu. If it is impossible to find out the water content, then the body constituents can be estimated from the wet body weight, total length and condition factor of this species. As the variations in body composition are related to these variables, so the equations of each constituent were estimated. The predictive equations can be used to estimate the body composition with a fair level of accuracy.
Key words: Wallago attu, body size, condition factor, body composition, sex.
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