Results: 107

Seroprevalence, spatial analysis and risk factors of infection with Neospora caninum in cattle in Brazil's northern Pantanal wetland

Abstract Neosporosis is caused by an obligate intracellular protozoan, Neospora caninum . It is considered one of the most widespread and frequent causes of abortion in cattle worldwide. To evaluate the prevalence of anti-N. caninum antibodies and associated risk factors, serum samples were collected fr...

Rangelia vitalii and Hepatozoon canis coinfection in pampas fox Lycalopex gymnocercus from Santa Catarina State, Brazil

Abstract Rangelia vitalii is a haemoparasite that infects erythrocytes, white blood cells and the cytoplasm of endothelial cells of blood capillaries of canids in South America, and has been detected in both domestic dogs and sylvatic canids. Hepatozoon canis is a parasite that infects neutrophils and mo...

Risk factors and anti-Toxoplasma gondii and Neospora caninum antibody occurrence in dogs in João Pessoa, Paraíba state, Northeastern Brazil

Abstract The aim of this study was to determine the occurrence of infections due to Toxoplasma gondii and Neospora caninum and corresponding risk factors among dogs attended at veterinary clinics in the city of João Pessoa, Paraíba, northeastern Brazil. Blood samples were collected from 384 dogs that w...

Eimeria species in dairy and beef cattle of different ages in Goiás state, Brazil

Abstract This study aimed to identify the frequency of occurrence of Eimeria species in Holstein (taurine dairy cattle) and Nelore (zebu beef cattle) on 12 farms in the state of Goiás, Brazil. A total of 2,601 animals were evaluated, and the cattle were divided into the following age-group categories: ...

Prevalence of Eimeria spp. in calves from dairy farms in northern Paraná state, Brazil

Abstract Bovine coccidiosis is a disease of major importance in cattle herds across the world. The disorder mainly affects young calves, and E. bovis and E. zuernii are considered the most pathogenic species of the genus, however, E. alabamensis have been described in grazing calves. In this study, the p...

Neospora caninum in properties in the west region of Paraná, Brazil: prevalence and risk factors

Abstract Neospora caninum is a heteroxenous protozoa, whose definitive hosts are canids and intermediate hosts are herbivores, and is of great importance in cattle. The objectives of this study were to determine the prevalence of N. caninum in dairy cattle and dogs, to detect the presence of the protozoa...

Coccidiosis y amibiasis intestinal en niños de edad escolar de un distrito de Lambayeque, Perú
Intestinal coccidiosis and amebiasis in school age children of a district in Lambayeque, Peru

Rev. méd. hered; 29 (1), 2018
Objetivos: Determinar la prevalencia y los factores asociados a coccidiosis y amibiasis intestinal en niños de edad escolar del distrito de Chongoyape, Chiclayo, Perú. Material y métodos: Estudio transversal de tipo relacional entre noviembre del 2014 y enero del 2015 en 133 escolares. Para recolectar...

Surtos consecutivos ocasionados por Eimeria zuernii em bezerros de corte de uma propriedade do estado de São Paulo

Pesqui. vet. bras; 38 (2), 2018
O presente trabalho tem como objetivo relatar surtos consecutivos (Agosto de 2015 e 2016) ocasionado por Eimeria zuernii em bezerros de corte, Canchim e Nelore, com aproximadamente 45 dias de vida, em uma propriedade rural localizada no município de São João da Boa Vista, estado de São Paulo. O prime...

Diversity and distribution of coccidia of wild birds in an Atlantic forest fragment area in southeastern Brazil

Abstract Coccidia are protozoan parasites that are frequently observed in fecal samples from wild birds, and they are extremely important for biodiversity, host specificity and conservation. The aim of the present study was to identify and quantify the coccidian species from wild birds caught in a fragme...

Extraintestinal isosporoid coccidian causing atoxoplasmosis in captive green-winged saltators: clinical and hematological features

Pesqui. vet. bras; 37 (11), 2017
Populations of green-winged saltators, Saltator similis, are decreasing especially because of illegal trade and infectious diseases. We describe natural cases of an extraintestinal isosporoid coccidian in caged S. similis, and suggest the need of preventive measures in handling these birds. Nonspecific c...