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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Print version ISSN 0102-0935
MELO, J.F.B. et al. Replacement of corn meal by mango in the dietary in performance of fingerlings of Nile-tilapia. Arq. Bras. Med. Vet. Zootec. [online]. 2012, vol.64, n.1, pp. 177-182. ISSN 0102-0935. http://dx.doi.org/10.1590/S0102-09352012000100025.
The aim of this study was to evaluate the effect of different carbohydrates on the performance of Tilapia fingerlings. Four isoproteic diets with different concentrations of mango meal (0, 33, 66 and 100%) were tested to replace the cornmeal. The feeding period was 45 days and the feeding rate was 8% of the biomass. Three hundred and sixty nile tilapia fingerlings with initial average weight of 2.08±0.13g, distributed into 12 500L experimental units, in a water recirculating system with biofilter were used. Performance indicators such as feed intake, carcass yield and survival rate were also evaluated. The results showed that the individual weight gain, average daily gain, specific growth rate, apparent feed intake, apparent feed conversion and survival were not affected by the two sources of carbohydrates tested. The carcass yield was influenced by mango meal in the diet. It was concluded that the replacement of maize in the diet can be done with 100% mango meal for Tilapia.
Keywords : fish; nutrition; fruit meal; carbohydrates.