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1 January 1993 Evidence of Poxvirus in Dusky Dolphin (Lagenorhynchus obscurus) and Burmeister's Porpoise (Phocoena spinipinnis) from Coastal Peru
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Abstract

In 1990, 74 dusky dolphins (Lagenorhynchus obscurus) and 10 Burmeister's porpoises (Phocoena spinipinnis) were examined for the presence of hyperpigmented marks and pinhole lesions on the skin (tattoo lesions) at the fishing terminal of Pucusana, central Peru. Prevalences of tattoo lesions were 8.1% and 30% in the dolphins and porpoises, respectively. In-tracytoplasmic poxviruses were demonstrated by transmission electron microscopy in ultrathin sections of three of eight samples of infected epidermis from both species. The reason for the negative results in others is unclear but may be related to stages of infection with low virus density or even incorrect classification of some lesions as genuine viral tattoos. An irregular arrangement of tubules on the outer viral membrane, similar to those in orthopoxviruses, was visible in negative contrast preparations for P. spinipinnis. This is the first record of poxvirus in porpoises (Phocoenidae) and also the first report for dusky dolphins, and generally for cetaceans of the southern hemisphere.

Van Bressem, Van Waerebeek, Reyes, Dekegel, and Pastoret: Evidence of Poxvirus in Dusky Dolphin (Lagenorhynchus obscurus) and Burmeister's Porpoise (Phocoena spinipinnis) from Coastal Peru
Marie-Françoise Van Bressem, Koen Van Waerebeek, Julio C. Reyes, Daniel Dekegel and Paul-Pierre Pastoret "Evidence of Poxvirus in Dusky Dolphin (Lagenorhynchus obscurus) and Burmeister's Porpoise (Phocoena spinipinnis) from Coastal Peru," Journal of Wildlife Diseases 29(1), (1 January 1993). https://doi.org/10.7589/0090-3558-29.1.109
Received: 13 November 1991; Accepted: ; Published: 1 January 1993
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