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Ciência Rural

Print version ISSN 0103-8478On-line version ISSN 1678-4596


SIGNOR, Arcangelo Augusto et al. Poultry by-product meal in lambari fingerlings diet. Cienc. Rural [online]. 2008, vol.38, n.8, pp.2339-2344. ISSN 0103-8478.

The lambari Astyanax altiparanae, is a very common species in the national rivers, with great potential for the national psyculture. It presents a fast growth and meat of eccellent flavor, being very appreciate like a delicacy and like an alive bait to sportive fishing. The poultry by-product meal is an important proteinic source from animal origin. The research was carried out with the objective to evaluate the poultry by-product meal inclusion (FV) in rations for lambari fingerlings. 125 fingerlings presenting average weight and initial length of 0.080±0.002g and 1.86±0.20cm respectively were used, they were distributed in 25 aquariums. The rations were formulated in form to contain 0, 5, 10 15 and 20% of FV in the diet. The ration giving was carried through four times a day, in a braning form and at the will. The avarage values of final weight (1.47, 19.2, 2.02, 2.11 and 2.15) and final length of (4.40, 4.78, 4.92 and 5.08cm) of the lambari fingerlings had presented linear increase (P<0.05) directly proportional to the inclusion levels of (0, 5, 10, 15 and 20% of FV) in the rations. The survival (88, 96, 92, 76 and 88%) and apparent alimentary conversion (4.58, 3.29, 3.25, 3.92 and 3.34) had not presented difference (P<0.05) among the (FV) levels in the diet. The inclusion of poultry by-product meal in rations based in ingredients of vegetable origin provides the performance and the proteic text of the carcass.

Keywords : industrial residues; fish nutrition; native fish.

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