Vol. 3, Issue 1 (2018)
Health condition and proximate composition of Nile tilapia (Oreochromis niloticus L.) fed with tilapia grower diets of commercial, farm-made and their 1:1 mixture
Author(s): Francis A Anani, Etornyo Agbeko
Abstract: To ensure production of healthy and good quality fish, cultured fish must be fed with nutritionally balanced diet that meets the fish’s nutritional requirements. Fish health condition using the health assessment indices (HAIs) and the proximate compositions of Nile tilapia, Oreochromis niloticus fed with a tilapia grower diet of commercial, farm-made and their 1:1 mixture in hapa-in-pond system for 140 days were investigated. The recorded HAIs were 0 for all structures examined and 0 to 1 for gut fat. There were general increases in protein and ash contents of O. niloticus fed with the various diets and the lipid contents of fish in all the dietary treatments were less than 5% at the end of the feeding trials. The cultured fish fed with the various diets (commercial, farm-made and their 1:1 mixture) were in good health condition and their proximate compositions were within the nutritional range required by humans.
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