ISSN 2321–3647
Sun, 24 Sep 2017

Influence of Flower Supplemented Meals on Growth and Pigmentation of the Fish, Oreochromis mossambicus

J Felicitta*1, R Sornaraj1

1. Research Department of Zoology and biotechnology, Kamaraj College, Tuticorin-628003, Tamil Nadu, India.


ABSTRACT

The effect of Marigold flower meal and Hibiscus flower meal on growth and Coloration of Oreochromis mossambicus was investigated. Different Concentrations of Marigold flower powder and Hibiscus rosa sinensis flower powder (5%, 10%, 15%, 20% and 25%) were added to basal diet and given to O. mossambicus and its impact on growth and colouration was estimated. Ten treatment groups in triplicate and a separate control for each group were maintained. After 28 days, fish consumed the diets supplemented with flower powders showed a significant (p<0.05) growth performance and coloration than those fed with the control diet. The highest weight gain (4.85±0.02) best FCR, SGR, Survival and total carotenoids were recorded in (25%) in both the flowers studied. The observed better weight gain, FCR and SGR were 4.85g, 1.19 and 2.22% respectively in Marigold flower diet and 4.83g, 1.22 and2.327% respectively in Hibiscus diet. The highest total carotenoids in fin, skin and muscle were 0.424mg/100mg, 0.394mg/100mg and 0.350mg/100mg respectively in 25% Marigold incorporated diet and 0.372mg/100mg, 0.351mg/100mg and 0.331mg/100mg respectively in 25% Hibiscus incorporated diet. Among the two flowers studied, 25% Marigold flower powder incorporated diet induced the growth and colouration in O. mossambicus to a greater extent.

Keywords: Marigold, Hibiscus, Growth, Total Carotenoid, Oreochromis mossambicus.


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