Effect of cortisol on female freshwater fish Notopterus notopterus.
J Environ Biol
;
2006 Oct; 27(4): 727-31
Article
Dans Anglais
| IMSEAR
| ID: sea-113957
ABSTRACT
In the present study, effect of cortisol on the ovary of the freshwater fish Notopterus notopterus was studied during four phases of the reproductive cycle. The hormone was injected 60microg/fish for ten days. Cortisol in fish is known to increase the metabolic activity. After the hormone treatment the ovarian somatic index and the hepatosomatic index increases during non breeding phase. The young oocytes transferred into vitellogenic oocytes in all the phases after cortisol treatment. The cortisol induced increased ovarian activity may be due to increase in the metabolic activity through the involvement of hepatic cells specially during non-breeding period providing support for energy production for reproductive activity in the freshwater fish N. notopterus.
Texte intégral:
Disponible
Indice:
IMSEAR (Asie du Sud-Est)
Sujet Principal:
Ovaire
/
Reproduction
/
Femelle
/
Hydrocortisone
/
Poissons
/
Eau douce
/
Foie
/
Animaux
langue:
Anglais
Texte intégral:
J Environ Biol
Année:
2006
Type:
Article
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