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| Teixeira,E.A.; Euler,A.C.C.; Faria,P.M.C.; Turra,E.M.; Luz,R.K.; Prado,S.A.; Takata,R.; Ribeiro,P.A.P.; Fontes,D.O.; Ribeiro,L.P.; Saliba,E.O.S.. |
| Most studies in nutrition for the South American catfish (surubim) were limited to the initial phase of development. However, it is clear that performance and nutrient utilization can change during the life stages of a fish. Therefore, this study aimed to evaluate the performance and nutrient utilization in juveniles of surubim fed diets varying in protein and energy levels. Two experiments were performed to test different levels of energy and protein in formulated diets. In the first experiment, surubim juveniles (89.2±4.8g) were fed five diets containing different levels of energy (18.0, 18.8, 19.6, 20.5, 21.3 MJ/kg). In the second experiment, juveniles (170.03±3.35g) were fed five diets containing different levels of protein (360, 400, 440, 480 and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Carnivorous species; Neotropical fish; Nutrition; Surubim. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000500031 |
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| Luz,R.K.; Santos,J.C.E.; Pedreira,M.M.; Teixeira,E.A.. |
| The effects of different water flow rates and feed training on the production of "pacamã" Lophiosilurus alexandri juveniles were evaluated. In the first experiment, nine day post-hatch larvae (n= 2,400) were stocked at a density of 5 larvae/L. Different water flow (F) rates were tested: F1 = 180; F2 = 600; F3 = 1,300; and F4 = 2,600mL/min. Artemia nauplii were offered as food during the first 15 days of active feeding. In the second experiment for feed training, 720 juveniles (total length of 22.2mm) were stocked at a density of 1.5 juveniles/L. A water flow rate similar to F1 was used. The use of extruded dry diet was tested, and feed training was done with and without other enhanced flavors (Artemia nauplii or Scott emulsion). The water flow rates did... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feed training; Juvenile production; Larviculture; Lophiosilurus alexandri; Water flow. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352011000400024 |
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