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International Journal of Zoological Research > Abstract |
International Journal of Zoological Research
Year: 2010 | Volume: 6 | Issue: 1 | Page No.: 13-23
DOI: 10.3923/ijzr.2010.13.23
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| Responses of the Mullet, Liza auratus and the Cichlid, Oreochromis
niloticus from Lake Manzala (Egypt) to Heterophyd Infection |
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M.A. Ghobashy,
M.F.M. Soliman
and E.A. Hassan
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Abstract:
In this study, the occurrence of heterophyid infection in two well-known hosts of heterophyd in Egyptian lake (Manzala); the mullet, Liza auratus and the cichlid, Oreochromis niloticus was investigated. Furthermore, the potential factors that possibly affect the occurrence of the infection including host sex, length, weight and seasonal variation were considered. The pathological response of the two fish host to the infection was studied. Results showed that the prevalence, abundance and intensity of infection in the two fish host greatly affected by the factor considered in contradictory way. The responses to infection and the possible effect of the interaction between all the considered factors are discussed in details. In addition, metacercarial infection caused alterations in the histological architecture of the infected tissues and in the composition of the muscle proteins as well which was more pronounced in O. niloticus and L. auratus, respectively. In conclusion, many biological and environmental factors do affect the occurrence of heterophyid infection in addition to the anthropogenic activity. L. auratus was more susceptible to the infection as compared to O. niloticus from the same habitat. |
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