期刊
JOURNAL OF WILDLIFE DISEASES
卷 57, 期 3, 页码 678-682出版社
WILDLIFE DISEASE ASSOC, INC
DOI: 10.7589/JWD-D-20-00188
关键词
Anaplasma; Borrelia; Canada; coyote; Dirofilaria immitis; Ehrlichia; ticks
资金
- Canadian Lyme Disease Foundation
- Natural Sciences and Engineering Research Council of Canada
- Nova Scotia Habitat Conservation Fund (Hunters and Trappers)
- Trappers Association of Nova Scotia
Testing Eastern coyotes from Nova Scotia, Canada revealed exposure to various tickborne pathogens, including Borrelia burgdorferi and Dirofilaria immitis. This highlights the transmission and presence of tickborne pathogens in wildlife populations.
Borrelia burgdorferi and Borrelia miyamotoi are tickborne zoonotic pathogens in Canada. Both bacteria are vectored by ticks, IxodAs scapularis in Atlantic Canada, but require wildlife reservoir species to maintain the bacteria for retransmission to future generations of ticks. Coyotes (Canis latrans) are opportunistic feeders, resulting in frequent contact with other animals and with ticks. Because coyotes are closely related to domestic dogs (Canis lupus fainiliaris), it is probable that coyote susceptibility to Borrelia infection is similar to that of dogs. We collected livers and kidneys of eastern coyotes from licensed harvesters in Nova Scotia, Canada, and tested them using nested PCR for the presence of B. burgdorferi, B. miyamotoi, and Dirofilaria immitis. Blood obtained from coyote livers was also tested serologically for antibodies to B. burgdotferi, Ehrlichia canis, Anaplasma phagocytophilum, and D. immitis. Borrelia burgdorferi and D. immitis were detected by both nested PCR and serology tests. Seroreactivity to A. phagocytophilum was also found. Borrelia miyamotoi and E. canis were not detected. Our results show that coyotes in Nova Scotia have been exposed to a number of vectorborne pathogens.
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