Length-weight relationship and gut analysis of Oreochromis mossambicus (Peter, 1852) collected from local fish market of Quetta city, Baluchistan
Paper Details
Length-weight relationship and gut analysis of Oreochromis mossambicus (Peter, 1852) collected from local fish market of Quetta city, Baluchistan
Abstract
Oreochromis mossambicus (Peters, 1852) is herbivorous exotic fish, mostly distributed worldwide and served as prominent food item. Our research is based on finding of length-weight relationships and stomach content analysis of Oreochromis mossambicus collected from fish market of Quetta city. A total of 250 fish samples including 138 male and 112 female were collected during the months of April 2016 to March 2017. The calculated length ranged from 9cm to 24.6cm (combined) and the weight ranged from 17.3g to 280g. The length weight relationship was calculated and represented as logarithmic form as Log W = -1.751+3.0071 × Log L , Log W= -1.7719+3.0212×Log L and Log W= -1.7272+2.9913×Log L were separately calculated for combined, male and female population respectively. The values of b for combined, male and female were 3.01, 3.02 and 2.99 respectively, which show isometric growth in Oreochromis mossambicus. Dissection of fish samples were made for food and feeding habits determination. Basic food of this fish mainly comprised of cynophyta (41.30%) and bacillariophyta (20.11%) followed by euglenophycea (16.11%), Chlorophyta (10.47%), Miscellaneous (10.74%), Copepod (0.72%), Plant matter (0.36%), rotifers (0.19%), algae (0.01%). In conclusion, the fish was found positive allometric in growth and omnivorous in nature.
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Zakira Khan, Wali Muhammad Achakzai, Kashif Kamran, Mudassir Israr Zaidi, Shagufta Saddozai (2017), Length-weight relationship and gut analysis of Oreochromis mossambicus (Peter, 1852) collected from local fish market of Quetta city, Baluchistan; IJB, V11, N4, October, P335-342
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