Feed digestion rates of tiger grouper (Epinephelus fuscoguttatus) juvenile
Journal Title: Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society - Year 2012, Vol 5, Issue 5
Abstract
The objective of the present study was to evaluate the feed digestion of tiger grouper (Epinephelus fuscoguttatus) juvenile in stomach and intestine with different times. The experiment was conducted in Brackish Water Aquaculture Research Station at Ujong Batee, Aceh, Indonesia in May 2011. The observation was done at every 2 hours interval for 12 hours. The tiger grouper juveniles were obtained from the hatchery of Brackish Water Aquaculture Research Station. The samples were fed with the commercial pelleted feed of Otohime EP2®. The fish samples were taken randomly and sacrificed to obtain their stomach and intestine contents for proximate analysis of nutritional contents. The results showed that the digestion of proteins in the stomach was slower than in the intestine, while the optimum time of digestion for protein in the intestine was 10 hours post feeding, while 12 hours in the stomach. In addition, the optimum time of lipid digestion in the intestine was eight hours compared to 10 hours in the stomach. The carbohydrate components were not digested effectively by the tiger grouper juvenile.
Authors and Affiliations
Abdullah Muhammadar, A. Ghaffar Mazlan, K. Das Simon, Muhammad Asmawati, Zainal Muchlisin, Mike Rimmer
Keywords
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