Encontrados 5 documentos, a visualizar página 1 de 1
Ocorrência de anticorpos contra Neospora caninum em ovelhas de propriedades rur...
Munhóz, Kenio Ferreira; Luca Neto, Mario de; Santos, Sérgio Mangano de Almeida; Garcia, João Luiz; Guimarães Junior, José da Silva; Vidotto, OdilonNeospora caninum é um protozoário causador de doença de esfera reprodutiva em algumas espécies de animais, causando perdas econômicas em rebanhos de produção. Esta doença está ligada diretamente a problemas reprodutivos, podendo ser transmitida por fêmeas infectadas aos seus descendentes ou através de oocistos eliminados nas fezes de seus hospedeiros definitivos. O objetivo deste trabalho foi estimar a soro-oc...
Pathogenicity and histopathological observations of commercial broiler chicks e...
Zulpo, Dauton Luiz; Peretti, Jaidson; Ono, Leandro Mortean; Longhi, Elaine; Oliveira, Marcos R.; Guimarães, Ivens Gomes; Headley, Selwyn ArlingtonCooccidiosis is one of the most important causes of economic losses within the poultry industry. The objective of this study was to evaluate the pathogenicity of E. tenella, E. acervulina, and E. maxima strains in commercial broilers chicks. Thirty nine commercial one day old broiler chicks, unvaccinated against coccidiosis, were used during this experiment. At day 14, chickens of G1 (n=10), G2 (n=10) and G3 (n...
Neosporosis in domestic animals
Guimarães Junior, José da Silva; Romanelli, Paulo RobertoNeosporosis, emerging disease caused by Neospora caninum was considered the most important causes of aborts in cattle from many countries. Some studies have been developed in several animal species to understand host-parasite relationship. The present review describes some aspects about pathogeny and diagnostic of the neosporosis in domestic animals.; A neosporose, doença emergente causada pelo Neospora caninum...
Ocurrency of Eimeria spp in domestic rabbits (Oryctolagus cuniculus) in four co...
Cardoso, Marco Antonio; Guimarães Junior, José da SilvaTo acertain which species of Eimeria are causing natural infections in rabbits breed for commercial purposes at the north of the State of Paraná, in South Brazil, 109 faecal sample were collected from four counties of such region: Londrina, Cambé, Ibiporã and Jataizinho. The inquiry was conducted in August and September, 1990; the laboratorial processing and microscopical examinations of those samples showed th...
Species of Eimeria found in reproductive hens on the North of Paraná State, Bra...
Guimarães Junior, José da Silva; Guimarães, Ivens Gomes; Pereira, Ademir Benedito da Luz; Rocha, Marco Antonio; Cardoso, Marco AntonioA survey was conducted from May to June, 1989 in Londrina, Sabáudia and Guaraci, cities in the North of Paraná State, Brazil, Faecal samples from 23 poultry houses of flocks belonging to the HUBBARD lineage were examined after centrifugal floating in saturated solution of sacarose. A solution of Bichromate Potassium 2,5% was used to identify the species, of oocysts from Eimeria spp causing esporulation. The sam...