urophysial and pituitary extracts for spawning induction in teleosts extratos urofisário e hipofisário para indução da desova em teleósteos

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2000
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Abstract
Several studies have suggested that the caudal neurosecretory system could act on fish reproduction. The aim of this study was to compare the effect of urophysial extract (UE) and carp pituitary homogenate (CPH) on the induction of spawning in Hoplias malabaricus, Rhamdia quelen and Cyprinus carpio. The amount of UE injected was 1.0 to 3.0mg/kg L.W. (single dose) and CPH 3.0 to 4.0mg/kg L.W. (two doses). The application of UE had no effect on spawning induction, while CPH improved spawning of all studied species.
Vários trabalhos sugerem que a urófise poderia atuar de alguma maneira na reprodução dos peixes. Este trabalho tem por objetivo comparar o efeito do extrato urofisário (UE) e do extrato homogeneizado de hipófise de carpa (CPH) na reprodução induzida de Hoplias malabaricus, Rhamdia quelen e Cyprinus carpio. A concentração do UE variou de 1,0 a 3,0mg/kg P.V. em uma única dose. A concentração do CPH variou entre 3,0 e 4,0mg/kg P.V., em duas doses. A aplicação do UE não apresentou resposta positiva na indução da desova, enquanto que o CPH mostrou-se eficaz como agente indutor em todas as espécies testadas.
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behr2000cinciaurophysial Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Everton Rodolfo Behr;Bernardo Baldisserotto;Walter Garcia Parra;Deodoro Atlante Brandão;Zolst Herke
Journal Trials
Year 2000
DOI
10.1590/S0103-84782000000500027
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782000000500027
Keywords
pituitary

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