Parasitic Diseases of Wild Mammals

Samuel, William; Pybus, M. J.; Kocan, A. Alan

doi:10.1002/9780470377000

Cited by 164 publications

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“…Most wild mammals are found to be infected with coccidia one or more times during their life (SAMUEL et al, 2001). The presence of this protozoa in domestic animals may implicate the wild animals that frequent the properties studied, along with the white-lipped peccary (Tayassu pecari), which was found parasitized by protozoans of the genera Eimeria and Giardia in MDSP (NAVA, 2008).…”

Section: Discussionmentioning

confidence: 99%

Endoparasites in domestic animals surrounding an Atlantic Forest remnant, in São Paulo State, Brazil

Sevá

Pena

Nava

et al. 2018

Rev. Bras. Parasitol. Vet.

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Morro do Diabo State Park (MDSP) is a significant remnant of the Atlantic Rain Forest in Brazil and is surrounded by rural properties. In that area, wild and domestic animals and humans are in close contact, which facilitates the two-way flow of infectious diseases among them. We assessed endoparasites in domestic livestock from all rural properties surrounding MDSP. There were sampled 197 cattle, 37 horses, 11 sheep, 25 swine, 21 dogs, one cat and 62 groups of chickens from 10 large private properties and 75 rural settlements. Eimeria spp. was present in almost all hosts, excepted in horses, dogs and cats. Giardia cysts were present only in cattle. Nematodes were found in swine, ruminants and horses in high prevalence. Ancylostoma, Toxocara and Sarcocystis were found in dogs. Chickens were found with coccidia, Ascaridida and Capillaria spp.. These parasites can cause malnutrition and reproductive disorders for their hosts. Strategies to prevent and control the spread of endoparasites can improve wildlife, animal and human health in this area.Keywords: Helminths, protozoan, Morro do Diabo State Park, wildlife conservation, rural settlements, Brazil. ResumoO Parque Estadual Morro do diabo (PEMD) é um significante remanescente de Mata Atlântica no Brasil, e rodeado de propriedades rurais. Nesta área humanos, animais domésticos e silvestres vivem próximos, o que facilita o fluxo de agentes infecciosas entre eles. Nós avaliamos a presença de endoparasitas, por meio de exame coproparasitológico dos animais domésticos de todas as propriedades rurais do entorno do PEMD. Foram amostrados 197 bovinos, 37 equinos, 11 ovinos, 25 suínos, 62 grupos de galinhas, 22 cães e 1 gato, residentes em 10 grandes propriedades privadas e 75 assentamentos rurais. Eimeria spp. estava presente em quase todas as espécies hospedeiras, com excessão de equinos, cães e gatos. Cistos de Giardia estavam presentes somente em bovinos. Nematodes foram encontrados em suínos, ruminantes e equinos em alta prevalência. Ancylostoma, Toxocara e Sarcocystis foram encontrados em cães. Galinhas foram encontradas com coccidia, Ascaridida e Capillaria spp.. Os parasitas encontrados podem causar má nutrição e problemas reprodutivos para seus hospedeiros. Medidas de prevenção e controle da dispersão de endoparasitas podem melhorar a condição de saúde pública, animal e ambiental nesta área.Palavras-chave: Helmintos, protozoários, Parque Estadual Morro do Diabo, conservação ambiental, assentamentos rurais, Brasil.

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Section: Discussionmentioning

confidence: 99%

Endoparasites in domestic animals surrounding an Atlantic Forest remnant, in São Paulo State, Brazil

Sevá

Pena

Nava

et al. 2018

Rev. Bras. Parasitol. Vet.

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“…Baylisascaris is one of several genera (e.g., Ascaris, Parascaris, Toxascaris, Toxocara) that belong to the family Ascarididae, order Ascaridida, phylum Nematoda. There are several Baylisascaris species of potential importance to human and animal health as causes of clinical larva migrans, but the most prevalent and pathogenic is B. procyonis, which primarily infects raccoons (1). However, Baylisascaris species infecting skunks, badgers, and other animals are also potential causes of larva migrans in humans and animals (1,14).…”

Section: Biology Life Cyclementioning

confidence: 99%

“…This parasite has gained increasing attention as an important cause of larva migrans disease in humans and animals, with a steady increase in recognized human cases (4)(5)(6)(7)(8). The severity of reported human infections, and the importance of B. procyonis as a pathogen of wildlife and domestic-animal species (1,9), makes the study of baylisascariasis a priority for public health, veterinary, and wildlife management officials.…”

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confidence: 99%

“…aylisascariasis is a zoonotic infection caused by larvae of the raccoon roundworm, Baylisascaris procyonis (1,2,3). This parasite has gained increasing attention as an important cause of larva migrans disease in humans and animals, with a steady increase in recognized human cases (4)(5)(6)(7)(8).…”

mentioning

confidence: 99%

“…A wide range of vertebrate orders have been reported to host B. procyonis in the larval stage, and it is currently considered to be a significant cause of neural larva migrans (NLM) and ocular larva migrans (OLM) in animals and humans (1,2,(6)(7)(8)(9). The most important etiologic agents of visceral larva migrans (VLM) and OLM in humans are the Toxocara species, especially T. canis (10,11).…”

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Update on Baylisascariasis, a Highly Pathogenic Zoonotic Infection

2016

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SUMMARYBaylisascaris procyonis, the raccoon roundworm, infects a wide range of vertebrate animals, including humans, in which it causes a particularly severe type of larva migrans. It is an important cause of severe neurologic disease (neural larva migrans [NLM]) but also causes ocular disease (OLM; diffuse unilateral subacute neuroretinitis [DUSN]), visceral larva migrans (VLM), and covert/asymptomatic infections.B. procyonisis common and widespread in raccoons, and there is increasing recognition of human disease, making a clinical consideration of baylisascariasis important. This review provides an update for this disease, especially its clinical relevance and diagnosis, and summarizes the clinical cases of human NLM and VLM known to date. Most diagnosed patients have been young children less than 2 years of age, although the number of older patients diagnosed in recent years has been increasing. The recent development of recombinant antigen-based serodiagnostic assays has aided greatly in the early diagnosis of this infection. Patients recovering with fewer severe sequelae have been reported in recent years, reinforcing the current recommendation that early treatment with albendazole and corticosteroids should be initiated at the earliest suspicion of baylisascariasis. Considering the seriousness of this zoonotic infection, greater public and medical awareness is critical for the prevention and early treatment of human cases.

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Parasitology

Fowler¹

2006

Biology, Medicine, and Surgery of Elephants

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Parasitic Diseases of Wild Mammals

Cited by 164 publications

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Endoparasites in domestic animals surrounding an Atlantic Forest remnant, in São Paulo State, Brazil

Endoparasites in domestic animals surrounding an Atlantic Forest remnant, in São Paulo State, Brazil

Update on Baylisascariasis, a Highly Pathogenic Zoonotic Infection

Parasitology

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