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Campo DC | Valor | Idioma |
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dc.contributor.author | Vásquez-Torres, Wálter | - |
dc.contributor.author | Pereira Filho, Manoel | - |
dc.contributor.author | Arias-Castellanos, José Alfredo | - |
dc.date.accessioned | 2020-05-31T18:24:29Z | - |
dc.date.available | 2020-05-31T18:24:29Z | - |
dc.date.issued | 2011 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/16215 | - |
dc.description.abstract | A growth experiment was conducted to determine the optimal dietary protein requirement for juvenile cachama, Piaractus brachypomus. Six semi-purified isoenergetic experimental diets using casein and gelatin as protein sources were formulated to contain graded levels of protein (16, 20, 24, 28, 32 and 36%). Fish initially averaging 15.52±0.33g (mean±SD) were randomly distributed into the tanks (500L) as groups of 20 fish and fed to apparent satiation twice daily for 60 days. The results showed that feed consumption, feed conversion ratio, fish weight gain, specific growth rate, protein efficiency ratio and protein productive value were affected by dietary protein level (P<0.05). No significant differences were observed in proximal composition of carcass (P<0.05) in response to dietary protein. Analysis of dietary protein level x WG with a second order polynomial regression suggested a requirement of 31.6% CP for optimum growth. | en |
dc.language.iso | pt_BR | pt_BR |
dc.relation.ispartof | Volume 41, Número 12, Pags. 2183-2189 | pt_BR |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.title | Optimum dietary crude protein requirement for juvenile cachama Piaractus brachypomus | en |
dc.title.alternative | Exigência ótima de proteína bruta para juvenis de pirapitinga, piaractus brachypomus | pt_BR |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.1590/S0103-84782011001200023 | - |
dc.publisher.journal | Ciência Rural | pt_BR |
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