Effect of crude protein (35%) and carotenoids diet on the growth of gold fish (Carassius auratus)

Khan MF Dawar FU Rab A Khan MA    

Abstract

Two separate trials were performed to evaluate the effects of locally prepared 35% crude protein (CP) and various sources of algae containing pigments like carotenoids (Chlorella vulgaris, astaxantin and Spirulina platensis) on growth of goldfish (Carassius auratus) fry. The algae diet was formulated to contain a constant level of carotenoids pigments (60 mg/kg). Ten week nutrition study was conducted and fish was feed on a locally prepared (35% CP) diet and a dietary carotenoids supplement of freshwater microalgal biomass diet on 3% of body weight twice daily. The physico-chemical properties of water were regularly checked and suitable for ornamental fish culture. At the end, result was deduced through the data of weight gain (WG), feed efficiency ratio (FER), specific growth rate (SGR), percentage weight gain (PWG) and feed conversion ratio (FCR). Growth and feed efficiency were not significantly (p > 0.05) different among groups treated with various diets. However in the both trials, dietary carotenoids supplementation increased total skin carotenoids content. Further broad based studies are needed in this regard with prolong time period.


MS Received Date:   2015-01-21  MS Accepted Date:  2015-04-20  MS Published Date:  2015-05-02
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Khan MF, Dawar FU., Rab A., Khan MA. "Effect of crude protein (35%) and carotenoids diet on the growth of gold fish (Carassius auratus)" Journal of Zoology Studies 2.2 (2015): 6-11.
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Khan, MF., Dawar, FU., Rab, A., Khan, MA. (2015). Effect of crude protein (35%) and carotenoids diet on the growth of gold fish (Carassius auratus). Journal of Zoology Studies, 2(2), 6-11.
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Khan MF, Dawar FU, Rab A, Khan MA. Effect of crude protein (35%) and carotenoids diet on the growth of gold fish (Carassius auratus). Journal of Zoology Studies. 2015; 2(2): 6-11.
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