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Provedor de dados:  BABT
País:  Brazil
Título:  Ovopel and Carp Pituitary Extract as Spawning Inducers in Males of the Amazon Catfish Leiarius marmoratus (Gill, 1970)
Autores:  Araújo,João Ênio Xavier Souza
Streit Jr,Danilo Pedro
Ribeiro,Janessa Sampaio de Abreu
Martins,Edenilce de Fátima Ferreira
Souza,Francielle Novaes
Oliveira,Carlos Antonio Lopes de
Ribeiro,Ricardo Pereira
Lopera-Barrero,Nelson Mauricio
Povh,Jayme Aparecido
Data:  2014-12-01
Ano:  2014
Palavras-chave:  Fish breeding
Hypophysation
Semen of fish
Resumo:  The objective of this study was to evaluate Ovopel and carp pituitary extract as spawning inducers in the males of the Amazon catfish L. marmoratus. The following treatments, applied in a single dose, were studied: 0.2, 0.4 and 0.6 Ovopel pellet/kg live weight, and 2.5 mg carp pituitary extract/kg live weight. Each treatment was repeated four times. No significant difference in sperm volume, motility and vigor, time of motility, sperm count, or percentage of normal and abnormal spermatozoa was observed between the treatments. There was also no significant difference in terms of primary or secondary sperm defects, except for the secondary defect of loose heads, which was less frequent in the treatments using 0.4 and 0.6 Ovopel pellet/kg live weight. It was concluded that Ovopel could replace carp pituitary extract for induction spawning in the males of the Amazon catfishL. marmoratus.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000600882
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-8913201402469
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.57 n.6 2014
Direitos:  info:eu-repo/semantics/openAccess
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