The Use of Synthetic and Natural Carotenoid in Diet for Color Enhancement on Red Cherry Shrimp Neocaridina heteropoda

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Uscharee Ruangdej
Nongnuch Laohavisuti


Color enhancement of red cherry shrimp, Neocaridina heteropoda, was studied in 2 experiments in order to evaluate the feasibility of including different sources of carotenoid in shrimp diet. In the first experiment, 3 concentrations (0, 80 and160 of synthetic carotenoid diet were tested. Shrimp were fed twice a day. After 8 weeks, shrimp fed with160 showed more significant coloration improvement than those fed with lower carotenoid diets. This shows that the color of red cherry shrimp could be enhanced by incorporating carotenoid into their diet. The second experiment aimed to reduce cost by using a cheap available source of natural carotenoid, i.e. marigold petal, at rates of 0, 50, 100 and 200 diet. Results showed that the reddish color of shrimp fed with the natural carotenoid source at 200 were most enhanced compared with the other groups, including obtaining the highest survival rate (99%). Carotenoid content analysis from whole shrimp revealed that increasing dietary carotenoid concentration resulted in a significant increase in total carotenoid concentration. It is concluded that natural color enhancer diets for red cherry shrimp can be prepared using carotenoid from marigold petals at 200


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Ruangdej, U., & Laohavisuti, N. (2014). The Use of Synthetic and Natural Carotenoid in Diet for Color Enhancement on Red Cherry Shrimp Neocaridina heteropoda. Journal of Fisheries and Environment, 38(1), 30–34. Retrieved from


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