31st Jul, 2018
Central Institute of Fisheries Education
Question
Asked 27th Jun, 2018
Does sugar/carbohydrate important in fish feed?
Sugar/carbohydrate is important as energy source for animals. But does the presence of sugar/carbohydrate is important for animals or in this matter, fish. Especially for its body growth and development.
Most recent answer
All nutrients are essential for fishes and the nutrient requirements differs among fishes based on their feeding habits. As carbohydrate contribute a major portion in herbivores than carnivores. As fish prefer more protein in diet than other vertebrates and carbohydrate is used in fish diet to fulfill a portion of energy requirement and to minimize amino acid catabolism for energy production.
All Answers (5)
Carbohydrate does form an important part of fish food, as for other animals. In one estimate the amount of carbohydrate needed for the mullet (Rhinomugil corsula), it was found to be about half (45% of food energy) Kutty , (1978, 1981).
References;
Kutty, M. N. (1978) Ammonia Quotient in sockeye salmon (Onchorhyncus nerka). J. Fish. Res. Board. Can. 35: 1003-1005.
Kutty, M. N. (1981) Energy metabolism of mullets. In: Aquaculture of grey mullets. Chapter 7. Cambridge University Press. Editor: Oren, O. H.
I agree with Amit Ranja. The amount of carbohydrate differs according to their feeding habit (omnivorous / carnivorous).
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