EFFECT OF DIFFERENT CARBON SOURCES FOR THE PRODUCTION OF BIOFLOC SYSTEM ON DIGESTIVE ENZYME ACTIVATES AND GROWTH OF CATLA CATLA FINGERLINGS

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Muhammad Shakir
Muhammad Hafeez-ur-Rehman
Arshad Javid
Shahid Mehmood
Farzana Abbas

Keywords

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Abstract

The present study was conducted to check the effect of different carbon sources used in bioflocs on the growth and digestive enzymes activities of Catla catla fingerlings. For this study 15 experimental fiber glass tanks filled with 1500 liters of water and designated as control, T1, T2, T3 and T4 each with three replicates. 100 individuals of similar average weight (1.20±0.50). Four treatments of bioflocs tank fertilized with different carbon sources, i.e, wheat bran T1 (BFTW), T2 rice bran (BFTR), T3 molasses (BFTM) and T4 sugar baggas (BFTS). All the treatments and control were fed with commercially available feed Supreme aqua feed (CP 25%) (Pakistan) Pvt. Ltd, twice a day.  Treatment 1 shows significantly increased in Weight gain and SGR among all treatments. Best FCR among all treatments was calculated for treatment 1 with average value (1.61±0.02). FER among all the treatments with highest value was recorded in TI and T2 as 0.63±0.01 and lowest value was recorded as 0.15±0.00. Results for PER shows significantly increased in Treatment 2 among all treatments. Among all treatments, Treatment 1 shows significant increased for all digestive enzyme activities. Treatment 1 declared as most diverse treatment having 9 phyla, 10 classes and 19 genera of different planktons among all treatments.

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