Population dynamics of Enterogyrus cichlidarum (Monogenea: Ancyrocephalinae) from the stomach of Tilapia spp. in Egypt.
Int J Parasitol
; 20(6): 741-5, 1990 Oct.
Article
en En
| MEDLINE
| ID: mdl-2242958
In a 1-year seasonal study of the numbers of the stomach-inhabiting monogenean Enterogyrus cichlidarum in Tilapia nilotica in the River Nile, Egypt, prevalence and intensity reached a height in spring and infection levels were surprisingly high in winter. T. zillii harboured fewer parasites but seasonal changes were similar. No parasites were found in T. galilaea. The prevalence and intensity of the infection with E. cichlidarum rose significantly with increasing size of the host. Some of the possible reasons for these fluctuations are discussed. Immature enterogyrids were more abundant in the posterior sector of the stomach and adult enterogyrids showed a preference for the anterior sector. No significant difference was found in the numbers of enterogyrids in male and female hosts.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Estómago
/
Trematodos
/
Infecciones por Trematodos
/
Perciformes
/
Enfermedades de los Peces
Tipo de estudio:
Risk_factors_studies
Límite:
Animals
Idioma:
En
Revista:
Int J Parasitol
Año:
1990
Tipo del documento:
Article
País de afiliación:
Egipto
Pais de publicación:
Reino Unido