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Ciência Rural

versão On-line ISSN 1678-4596


PARRA, Jorge Erick Garcia et al. Use of lipid sources on feeding jundiá (Rhamdia quelen) and its relation with embryo and larval development. Cienc. Rural [online]. 2008, vol.38, n.7, pp. 2011-2017. ISSN 1678-4596.

The aim of this study was to evaluate the efficiency of feeding female South America catfish Rhamdia quelen with different lipids sources and their influence in embryo and larval stage. Twelve (12) female catfishes initial weight of 500g, distributed randomly among three (3) net-tanks and fed for ten (10) weeks were used. The female fishes were fed with three (3) different types of experimental diet containing lipid sources: Swine fat (BS), sunflower oil (OG) canola oil (OC). At hatch time, 10 larvae were collected from each net tank. One post larvae sample was collected at 12, 24, 36, 48 hours after hatch to verify measurement. Three samples were captured and raised in reuse water system during fourteen days (30 larvae L-1). The female reproductive performance and the larval development were not affected by the lipid sources tested. The data revealed that swine fat is as good as sunflower and canola oil as lipid sources for reproductive female catfishes and that they can provide excellent embryo and larval development.

Palavras-chave : swine fat; broodstock nutrition; canola oil; Rhamdia quelen.

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