Which species enduring the worst impacts from dog interactions in Brazil?

The species identified as enduring the worst impacts from dog interactions in Brazil are those already severely impacted by hunting and habitat loss or fragmentation, especially medium and large mammals.

Are dogs a problem in Brazil?

In conclusion, it is clear that the circulation of dogs between wildlife environments and urban areas facilitate the transmission of infectious diseases, besides damaging native species. However, the set of problems caused by the poor management of the dog populations in Brazil is still a neglected issue.

How common is dog occurrence in Brazilian national parks?

Among the 69 threatened species of the Brazilian fauna, 55% have been cited in studies on dogs. Dog occurrence was assessed for 31 National Parks in Brazil. The presence of human residents and hunters in protected areas were the factors most often quoted as facilitating dog occurrence.

Are dogs a threat to Brazilian Biodiversity?

The presence of domestic dogs ( Canis lupus familiaris) in Brazilian protected areas is fairly frequent. The interaction of such dogs with native animals leads to population declines for many species, particularly carnivores. In this paper the main threats dogs bring about Brazilian biodiversity are assessed with a focus on protected areas.

Are canine vector-borne diseases a problem in Brazil?

Parasites & Vectors 1, Article number: 25 (2008) Cite this article Canine vector-borne diseases (CVBDs) are highly prevalent in Brazil and represent a challenge to veterinarians and public health workers, since some diseases are of great zoonotic potential.

What is the prevalence of B burgdorferi S L infection in Brazilian dogs?

The prevalence of anti- B. burgdorferi s. l. antibodies in Brazilian dogs ranges from less than 1 up to 20% [130, 132, 168, 169]. The infection in dogs is usually asymptomatic and there appears to be no correlation between seropositivity and sex or age of the animals .