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Provedor de dados:  86
País:  Brazil
Título:  Performance of common snook subjected to different feeding frequencies and rates using automatic feeders
Autores:  Herrera,Leandro Amaral
Santos,Ana Paula dos
Sousa,Otávio Mesquita de
Kuhnen,Vanessa Villanova
Sanches,Eduardo Gomes
Data:  2019-01-01
Ano:  2019
Palavras-chave:  Centropomus undecimalis
Automatic feeders
Feeding management
Mariculture
Precision aquaculture
Recirculation system
Resumo:  Abstract: The objective of this work was to evaluate the growth performance of common snook (Centropomus undecimalis) subjected to different feeding rates and frequencies using automatic feeders. Two experiments of 60 days each were carried out. In the first one, 20 fishes per tank were distributed in three feeding rates of: 5, 10, and 15% body weight per day. In the second experiment, 20 fishes per tank were distributed in nine tanks, in three feeding frequency: once a day, three times a day, and six times a day. Water parameters were maintained at the recommended level for the species. Final weight, body weight gain, specific growth rate, and feed conversion rate did not differ significantly between the 10 and 15% feeding rates. However, both rates differed from the 5% one. The feeding frequency of six times a day resulted in better values for final weight, final biomass, body weight gain, and specific growth rate. Therefore, common snook fingerlings should be fed at the feeding rate of 10% body weight per day, six times a day, in order to achieve the best growth performance.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000101101
Editor:  Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira
Relação:  10.1590/s1678-3921.pab2019.v54.00225
Formato:  text/html
Fonte:  Pesquisa Agropecuária Brasileira v.54 2019
Direitos:  info:eu-repo/semantics/openAccess
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