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- Title
EFFECT OF VARYING DIETARY LEVELS OF SPIRULINA PLATENSIS POWDER ON THE GROWTH AND COLOR ENHANCEMENT OF SILVER MOONY, MONODACTYLUS ARGENTEUS (LINNAEUS, 1758).
- Authors
I., Ashok; Rao, A. Chandrasekhara; Ganesh, G.; Krishna, O. Gopi; Reddy, D. R. K.; Saleha, Md
- Abstract
This experiment evaluated the varying dietary levels of Spirulina platensis powder with basal feed (40% CP) on growth and color enhancement in silver moony, Monodactylus argenteus. Four different feed concentrations were formulated with graded spirulina powder at a rate of 0%, 3%, 5% and 8% as T1 Control, T2, T3 and T4, respectively, for 90 days. One hundred and twenty fish (1±0.1g) accommodated in twelve sets of glass aquariums of 50 liter capacity (60×30×30cm) with respect to their triplicates. After 40 days, fish that consumed spirulina-supplemented diets at 3%, 5%, or 8% had significantly higher levels of carotenoids (21.5, 22.4, 22.9 µg/g dry matter, respectively) than control fish (19.3 µg/g), with no significant differences between treatments. After 90 days, the results conclude that the fishes feeding on 8% spirulina powder has a mean weight of 3.305±0.30g and the highest total carotenoid content of 54.5 µg/g at a wavelength of 450nm absorption than fish that fed with 0% spirulina powder in the control group with a mean weight of 2.922±0.27g and total carotenoid content, 37.1 µg/g dry matter at same absorption. The significantly (p<0.01) highest growth and color enhancement was observed in T4 treatment, followed by T3, T2 and lowest values were recorded in Control T1. The present study reveals that the increase in dietary Spirulina levels increased the growth and color of Monodactylus argenteus.
- Subjects
SPIRULINA platensis; FISHERY products; FISH feeds; SPIRULINA; SILVER
- Publication
Journal of Experimental Zoology India, 2021, Vol 24, Issue 2, p1577
- ISSN
0972-0030
- Publication type
Article