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Revista veterinaria

versão On-line ISSN 1669-6840

Resumo

M.TRUJILLO, D.M. et al. Evaluación de dietas para alevines de arawanas (Osteoglossum bicirrhosum) en el piedemonte amazónico de Colombia. Rev. vet. [online]. 2017, vol.28, n.2, pp.145-151. ISSN 1669-6840.

The objective of the study was to compare a traditional diet (protein concentrate 45%, TC) versus two live foods: Poecilia reticulata (T1: guppys: 27% proteins) and Coptotermes formosanus (T2: termites: 22% proteins), to develop strategies that all ow the optimal development of arawana fingerlings (O. bicirrhosum) phase VII. The specimens (n=54) were studied in an SCR system (closed water recirculation) that included 9 aquariums (6 individuals per aquarium, three replicates each). The T1 group presented the best results for the 3 replicates, with gain of size: 0.11 mm/day, weight: 0.230 g/day, and survival rate: 100%. Second, the TC group had a weight gain of 0.169 g/day. Third, the T2 group achieved weight gain: 0.084 g/day and survival rate: 98%. It is concluded that high protein percentages (45%) are not necessary to obtain greater weight and that the best alternative diet in achieving the best development of fingerlings was the live food based on guppys

Palavras-chave : fish arawana; alevines; food; proteins; liveweight; size; survival.

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