Physico-chemical Parameters and Their Variations in Relation to Fish Production in Zhob River Balochistan
Abstract
The study of physico-chemical parameters of Zhob River was carried from January- December 2011 and correlated with fish production. The samples of fish were procured from, Zhob River Balochistan with the help of local fishermen. Total 557 (342 Schizothorax progestus, 105 Caratus auratus, 60 Tor tor and 50 Glypothorax sp.) were procured from January to December. Noticeable difference in the values of temperature, pH, transparency and DO were not observed throughout the year and as per standards for aquatic biota. The length- weight relationship values indicated positive allometric and regression co-efficients (b) are 2.67, 2.50, 2.17 and 2.65 termed as satisfactory growth in C. auratus, S. progestus, Tor tor and Glypothorax sp., respectively. The values of condition factor (Kn = 1.0, 1.01, 0.97 and 1.31) in case of C. auratus, S. progestus, Tor tor and Glypothorax sp.respectively from Zhob River, Balochistan. Condition factor values show fluctuations in all size groups in different fish species. It is concluded that the physico-chemical parameters of Zhob river Balochistan were found to be within the suitable ranges of fish culture
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