Interrelationships among Egg, Larvae and Maternal Characteristics in Persian Sturgeon Acipenser persicus

Brazilian Archives Of Biology And Technology

Endereço:
Rua Professor Algacyr Munhoz Mader 3775, CIC
Curitiba / PR
0
Site: http://www.scielo.br/babt
Telefone: (41) 3316-3012
ISSN: 15168913
Editor Chefe: Carlos Ricardo Soccol
Início Publicação: 30/11/1946
Periodicidade: Bimestral
Área de Estudo: Biologia geral

Interrelationships among Egg, Larvae and Maternal Characteristics in Persian Sturgeon Acipenser persicus

Ano: 2010 | Volume: 53 | Número: 5
Autores: Rajab Mohammad Nazari, Mohammad Reza Ghomi, Laura Aquiloni
Autor Correspondente: Mohammad Reza Ghomi | [email protected]

Palavras-chave: egg, interrelationship, larvae, maternal characteristics, and persian sturgeon

Resumos Cadastrados

Resumo Inglês:

This study was aimed to observe the correlations among egg, larvae and maternal characteristics of Persian
sturgeon. A total of 41 females were used and the variables including fertilization rate, incubation survival rate,
larvae survival rate during yolk sac absorption (before feeding), and larvae survival rate after first feeding were
determined. As a result, fertilization rate was positively correlated with three variables: incubation survival, larvae
survival during yolk sac absorption, and GSI (gonadosomatic index). Also, maternal size (age, weight, total length)
did not show a significant relation (P > 0.05) with incubation survival, larvae survival during yolk sac absorption
and larvae survival at first feeding stage.