Impact of a Sarcoptic Mange Epizootic on a Coyote Population

Pence, Danny B.; Windberg, Lamar A.

doi:10.2307/3809675

Cited by 83 publications

(81 citation statements)

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“…For example, healthy individuals that range widely as transients might be more likely to encounter unrelated coyotes, thereby potentially increasing their exposure to infected individuals [49]. Conversely, animals that are already sick or otherwise subordinate may be less capable of defending territories [48], more reliant on easily accessible food, and more likely to range widely to find it. Despite having much larger home ranges, diseased coyotes were not significantly more active.…”

Section: Discussionmentioning

confidence: 99%

“…Such transient behaviour often characterizes young individuals [47], but we found no difference in age between healthy and diseased coyotes. In other areas, transient coyotes may be more likely to be in poor condition [48] because they typically use less suitable habitat on the fringes of resident coyote home ranges [20], which may manifest as developed areas in the urban landscape [17]. In this way, differences in health between individual coyotes may be related to their social status and habitat use.…”

Section: Discussionmentioning

confidence: 99%

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Poor health is associated with use of anthropogenic resources in an urban carnivore

et al. 2015

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Rates of encounters between humans and wildlife are increasing in cities around the world, especially when wildlife overlap with people in time, space and resources. Coyotes (Canis latrans) can make use of anthropogenic resources and reported rates of conflict have increased in cities across North America. This increase may be linked to individual differences in the use of human food and developed areas. We compared the relationships between coyote age, sex or health and the use of anthropogenic resources, which we defined as using developed areas over large home ranges, being active during the day, and consuming anthropogenic food. To do so, we applied GPS collars to 19 coyotes and sampled hair for stable isotope analysis. Eleven coyotes appeared to be healthy and eight were visibly infested with sarcoptic mange (Sarcoptes scabiei), a mite that causes hair loss. Diseased coyotes used more developed areas, had larger monthly home ranges, were more active during the day, and assimilated less protein than coyotes that appeared to be healthy. We speculate that anthropogenic food provides a low-quality but easily accessible food source for diseased coyotes, which in turn may increase reliance on it and other anthropogenic resources to promote encounters with people.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Poor health is associated with use of anthropogenic resources in an urban carnivore

et al. 2015

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“…1), without the detection of new cases. Density (Rossi et al, 1995;Guberti and Zamboni, 2000), population health level (Gortázar et al, 1998;Leon Vizcaino et al, 1999), and geneticbased variations in mite virulence and host resistance to mange (Pence and Windberg, 1994;Berrilli et al, 2002) have been suggested as possible factors determining appearance and evolution of sarcoptic mange.…”

Section: Discussionmentioning

confidence: 99%

Sarcoptic mange in red deer from Spain: Improved surveillance or disease emergence?

Oleaga

Casáis

González‐Quirós³

et al. 2008

Veterinary Parasitology

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Concern about emerging diseases has risen in recent years, and multihost situations have become increasingly relevant for wildlife management and conservation. We present data on Asturias, northern Spain, where 80 mangy red deer (Cervus elaphus) have been found since the beginning of the epizootic in chamois (Rupicapra pyrenaica parva) in 1993. We combine field and necropsy data with the results of a serosurvey using an in-house ELISA test to evaluate if deer mange due to Sarcoptes scabiei is an emerging disease in this area. The mean number of deer mange cases per year was 5, with a maximum of 16. No significant relationship was detected between monthly temperatures, rainfall or number of days with snow cover and the annual number of sarcoptic mange cases in red deer. Only 4 mangy red deer (5%) were detected outside the limits of scabietic chamois distribution during the same year, and all were less than 2500 m away from that limit. The longest distance reported between two consecutive mangy deer locations was 18 km. Mange cases were significantly more frequent in stags than in hinds and in adults than in juvenile deer. The time of the first mange detection in chamois in each sector, year with minimum number of chamois recorded, year with maximum chamois population decline rate and chamois density offered no significant correlation with red deer mange cases appearance moment and frequency. In the mange affected area, ELISA testing of 327 blood samples from hunter-harvested deer without obvious mange-compatible lesions revealed only 4 seropositive animals. All 83 sera from hunting preserves without clinical cases yielded negative ELISA results. According to these epidemiological data mange does not seem to threaten red deer populations in Asturias. However, continued monitoring of deer health and ELISA testing for sarcoptic mange is advisable. #

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“…Pence and Windberg (1994) documented coyotes surviving sarcoptic mange in Texas. Chronert et al (2007) reported that 20% of coyotes displaying signs of sarcoptic mange recovered from the infection in Wind Cave National Park, South Dakota.…”

Section: Discussionmentioning

confidence: 99%

Sarcoptic Mange Found in Wolves in the Rocky Mountains in Western United States

Jimenez

Bangs

Sime

et al. 2010

Journal of Wildlife Diseases

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ABSTRACT:We documented sarcoptic mange caused by mites (Sarcoptes scabiei) in 22 gray wolves (Canis lupus) in the northern Rocky Mountain states of Montana (n516) and Wyoming (n56), from 2002 through 2008. To our knowledge, this is the first report of sarcoptic mange in wolves in Montana or Wyoming in recent times. In addition to confirming sarcoptic mange, we recorded field observations of 40 wolves in Montana and 30 wolves in Wyoming displaying clinical signs of mange (i.e., alopecia, hyperkeratosis, and seborrhea). Therefore, we suspect sarcoptic mange may be more prevalent than we were able to confirm.

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Impact of a Sarcoptic Mange Epizootic on a Coyote Population

Cited by 83 publications

References 4 publications

Poor health is associated with use of anthropogenic resources in an urban carnivore

Poor health is associated with use of anthropogenic resources in an urban carnivore

Sarcoptic mange in red deer from Spain: Improved surveillance or disease emergence?

Sarcoptic Mange Found in Wolves in the Rocky Mountains in Western United States

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