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- Title
EFFECT OF DIFFERENT PROTEIN LEVELS AND STOCKING DENSITIES ON GROWTH AND SURVIVAL OF JUVENILES OF OSCAR, ASTRONOTUS OCELLATUS.
- Authors
Khade, S. T.; Lokhande, P. C.; Sharangdhar, M. T.; Kolekar, A. D.; Meshram, S. J.; Gitte, M. J.; Sharangdhar, S. T.; Bansode, V. V.; Dhaker, H. S.
- Abstract
A preliminary feeding trial was made to determine the effect of dietary protein level on growth and survival of juvenile Oscar, Astronotus ocellatus • .0.004 g. Experiment were conducted to find out optimum stocking density and protein requirement in diet of the fish. In experiment, the juveniles (length 1.4 ± 0.13 cm; weight 0.03 ± 0.004g) were fed three diets viz. 40, 50 and 60% protein level in three stocking densities viz. 0.2, 0.4 and 0.6 fish L-1 (3, 6 and 9 fishes / tub) to form nine treatment viz. 40P3S as 40% protein and 3 fish / tub stocking density, 40P6S, 40P9S, 50P3S, 50P6S, 50P9S, 60P3S, 60P6S and 60P9S for a period of 60 days. Among the experimental diets, the diet 50P3S showed significantly higher growth such as weight gain (6926.72± 19.63), specific growth rate (3.08 ± 0.03) and survival (88.89 ± 11.1). The feed utilization such as protein efficiency ratio (3.96 ± 0.14) was significantly higher than other diets, where as feed conversion ratio (0.63 ± 0.02) significantly lower than other diets. Condition factor (16.57±5.52) was also significantly higher than other diets.
- Subjects
LOW-protein diet; FEED utilization efficiency; ANIMAL nutrition; OSCAR (Fish); ASTRONOTUS
- Publication
Journal of Experimental Zoology India, 2018, Vol 21, Issue 2, p641
- ISSN
0972-0030
- Publication type
Article