Results: 107

All about neosporosis in Brazil

Abstract Neospora caninum is protozoan parasite with domestic and wild dogs, coyotes and grey wolves as the definitive hosts and many warm-blooded animals as intermediate hosts. It was cultivated and named in 1988. Neosporosis is a major disease of cattle and has no public health significance. Since 1990...

Occurrence of abortions induced by Neospora caninum in dairy cattle from Santa Catarina, southern Brazil

Abstract The aim of the present study was to investigate the occurrence of N. caninum associated with abortions of dairy cattle from Santa Catarina state, southern Brazil by using enzyme-linked immunosorbent assay (ELISA), immunohistochemistry (IHC), and polymerase chain reaction (PCR). Blood from dairy ...

Avispora mochogalegoi n. sp. (Apicomplexa: Sarcocystidae) in the little owl, Athene noctua (Strigiformes: Strigidae), in mainland Portugal

Abstract The little owl Athene noctua (Scopoli, 1769) is a small raptor that is widely distributed from northern to southern Portugal and several other countries in Europe, Asia and North Africa, and which has been introduced into New Zealand. In the current study, 18 fecal samples were collected from li...

Transplacental transmission of Neospora caninum in naturally infected small ruminants from northeastern Brazil

Pesqui. vet. bras; 37 (9), 2017
Toxoplasma gondii and Neospora caninum are causative agents of abortion in sheep and goats. Thus, the present study aimed to describe the transplacental transmission of these protozoans in small ruminants of northeastern Brazil. Seventeen fetuses (6 goats and 11 sheep) from farms with history of abortion...

Pesquisa de anticorpos IgG para Neospora caninum e avaliação dos fatores de risco em ovinos do Estado de Sergipe

Pesqui. vet. bras; 37 (8), 2017
O objetivo desse trabalho foi determinar a ocorrência de anticorpos IgG para Neospora caninum bem como avaliar os fatores de risco associados à infecção em rebanhos ovinos do estado de Sergipe, Brasil. Foram coletadas, nos anos de 2011 e 2012, 1200 amostras de sangue de ovinos oriundos de sessenta pr...

Infección por Cystoisospora belli en pacientes con VIH: análisis de casos con diferente evolución clínica

Rev. chil. infectol; 34 (4), 2017
Resumen Introducción: La infección por Cystoisospora belli es una de las causas más frecuentes de diarrea acuosa en pacientes con infección por VIH y ocasiona altas tasas de morbilidad y mortalidad. Métodos: Se realizó un estudio retrospectivo en pacientes infectados con VIH y diarrea por C. bell...

Cyrilia sp. (Apicomplexa: Haemogregarinidae) in the Amazonian freshwater stingray Potamotrygon wallacei (cururu stingray) in different hydrological phases of the Rio Negro

Braz. j. biol; 77 (2), 2017
Abstract Intraerythrocytic parasites are frequently found in fish, including elasmobranchs. The Amazonian rivers present well defined annual hydrological cycles that results in drastic modifications of the environmental conditions with deep implications in the life cycle of the whole associated biota in ...

Risk factors for gastrointestinal parasite infections of dogs living around protected areas of the Atlantic Forest: implications for human and wildlife health

Braz. j. biol; 77 (2), 2017
Abstract Despite the ubiquity of domestic dogs, their role as zoonotic reservoirs and the large number of studies concerning parasites in urban dogs, rural areas in Brazil, especially those at the wildlife-domestic animal-human interface, have received little attention from scientists and public health m...

Desempenho e estudo de depleção residual em frangos de corte infectados com eimerias e medicados com diclazuril
Performance and residual depletion study in chickens infected with eimerias and medicated with diclazuril

Hig. aliment; 31 (266/267), 2017
A avicultura brasileira atualmente ocupa o terceiro lugar, com uma produção anual de aproximadamente, 10,9 milhões de toneladas de carne de frango. Contudo, severas perdas econômicas são relatadas, devido à coccidiose em granjas de frangos de corte, matrizes e postura. As Eimerias são classificada...

Antibodies against Apicomplexa protozoa and absence sarcocysts in heart tissues from horses in southern Brazil

Abstract Sarcocystis spp., Neospora spp., and Toxoplasma gondii are Apicomplexa protozoa that can infect horses. This study aimed to investigate the occurrence of antibodies against Sarcocystis spp., Neospora spp., and T. gondii in horses slaughtered in southern Brazil. The presence of histological lesio...