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1 April 1985 PARASITES OF THE DALL'S PORPOISE (PHOCOENOIDES DALLI TRUE)
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Abstract

The prevalences of three helminths, Campula oblonga, Halocercus dalli and Crassicauda sp., recovered from Dall's porpoises which were net-entrapped incidentally in the vicinity of the western Aleutian Islands in the northwest Pacific are reported. Specimens of Campula oblonga were found within the bile ducts of 46% of 127 livers examined. The prevalence of hepatic trematodiasis increased with the age of the host. Pulmonary nodules associated with Halocercus dalli were noted in 71% of the Dall's porpoises. Adult H. dalli were recovered from the main stem bronchi of heavily infected lungs. Younger animals exhibited a relatively higher prevalence. Specimens of Crassicauda sp. were found within the main lactiferous canal of 69% of 29 mammary glands examined. The prevalence was highest in mature porpoises. Possible detrimental effects and the modes of transmission of the three species of parasites are also considered.

Conlogue, Ogden, and Foreyt: PARASITES OF THE DALL'S PORPOISE (PHOCOENOIDES DALLI TRUE)
G. J. Conlogue, J. A. Ogden, and W. J. Foreyt "PARASITES OF THE DALL'S PORPOISE (PHOCOENOIDES DALLI TRUE)," Journal of Wildlife Diseases 21(2), (1 April 1985). https://doi.org/10.7589/0090-3558-21.2.160
Received: 27 April 1983; Published: 1 April 1985
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