Helminthes of the Common Eider (Somateria mollissima) on the Eastern Murman, its impact on the digestive activity and physiological state

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Abstract


An ecological and physiological study of Common Eider (Somateria mollissima) nesting on the coast of Eastern Murman was carried out. The species composition of helminthofauna of birds and the quantitative parameters of the infection were studied. It is established that trematodes of the genus Microphallus, three species of cestodes - Lateriporus teres (Cestoda: Dilepididae), Fimbriarioides intermedia (Cestoda: Hymenolepididae), Microsomacanthus diorchis (Cestoda: Hymenolepididae) and one species of acanthocephalan - Polymorphus phippsi (Palaeacanthocephala: Polymorphidae) parasitized in the small intestine of Common Eider. It is shown that the activity of proteases decreased at the locations of F. intermedia and M. diorchis in the intestines of birds, with infestation with the acanthocephalan P. phippsi, on the contrary, increased. The activity of glycosides in the intestinal mucosa was reduced in comparison with the control values by infection cestodes M. diorchis. There was an increase in the values of hematological indices in infected individuals relative to the control parameters.


About the authors

M. M. Kuklina

Murmansk Marine Biological Institute of Kola Science Centre of Russian Academy of Sciences

Author for correspondence.
Email: MM_Kuklina@mail.ru

Russian Federation, 17 Vladimirskaya street, Murmansk, 183010

V. V. Kuklin

Murmansk Marine Biological Institute of Kola Science Centre of Russian Academy of Sciences

Email: MM_Kuklina@mail.ru

Russian Federation, 17 Vladimirskaya street, Murmansk, 183010

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