نتایج جستجو برای: neospora spp

تعداد نتایج: 52216  

2015
Abdelsalam Q. Talafha Sameeh M. Abutarbush David L. Rutley

This study aimed to determine the seroprevalence and to identify risk factors associated with Neospora spp. infection in horses in Jordan. Management related data were collected from each farm and individual horses. Sera from 227 horses from 5 of 6 climatic regions in Jordan were analyzed for the presence of antibodies to Neospora spp. by ELISA kit. The study was performed during spring of 2010...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2015
Cynthia Maria Morais de Queiroz Galvão Mariana Marrega Rezende-Gondim Ana Carla Rodrigues Chaves Gereon Schares Jorge Raimundo Lins Ribas Luís Fernando Pita Gondim

Donkeys (Equus asinus) are closely related to horses and are known to be infected by several equine pathogens. Neospora caninum and Neospora hughesi are protozoan parasites that infect horses, but they were not confirmed in donkeys up to this date. The aim of this study was to evaluate the exposure of donkeys (Equus asinus) to Neospora spp. using tachyzoites of N. caninum as antigen and employi...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2013
Anderson Barbosa de Moura Márcio Orides da Silva Juliana Antunes Farias Achilles Vieira-Neto Antonio Pereira de Souza Amélia Aparecida Sartor Joandes Henrique Fonteque Silvério Bunn

The aims of this study were to determine occurrences of Neospora spp. IgG antibodies in horses from two geographical regions of the state of Santa Catarina, southern Brazil, and identify risk factors for infection. Analyses were performed on 615 samples using the immunofluorescent antibody test (IFAT ≥ 1:50). Out of the 615 samples, 25 (4.1%) were positive for Neospora spp. The titers for Neosp...

2017
LUÍS F. P. GONDIM JOSÉ R. MINEO GEREON SCHARES

Toxoplasma gondii, Neospora spp., Sarcocystis spp., Hammondia spp. and Besnoitia besnoiti are genetically related cyst-forming coccidia. Serology is frequently used for the identification of T. gondii, Neospora spp. and B. besnoiti-exposed individuals. Serologic cross-reactions occur in different tests among animals infected with T. gondii and H. hammondi, as well as among animals infected by T...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2017
Luiza Pires Portella Gustavo Cauduro Cadore Luis Antonio Sangioni Luiz Fernando Vilani Pellegrini Rafael Fighera Fernanda Ramos Fernanda Silveira Flores Vogel

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 lesions, tissue cysts, and Sarcocystis spp. DNA in the hearts of these horses was also investigated. A tot...

Journal: :iranian journal of parasitology 0
mh hosseini razi vaccine and serum research institute, shiraz, iran m moraveji department of pathobiology, school of veterinary medicine, shiraz university, shiraz, iran y tahamtan razi vaccine and serum research institute, shiraz, iran a rahimian razi vaccine and serum research institute, shiraz, iran gh mohammadi department of clinical study, school of veterinary medicine, ferdowsi university, mashhad, iran mm namavari razi vaccine and serum research institute, shiraz, iran

background: neospora caninum , an obligate intracellular protozoan parasite, is recognized as a major cause of abortion in cattle, while limited information is presently available on the seropreva­lence of neospora antibodies in horses' worldwide .the aim of the present study was to de­termine serologic prevalence of neospora infection in horses in iran. methods: sera from 150 horses from mashh...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2016
Manoel Junqueira Maciel Ribeiro Marina Helena Figueredo Rosa Fábio Raphael Pascoti Bruhn Adriana de Mello Garcia Christiane Maria Barcellos Magalhães da Rocha Antônio Marcos Guimarães

The present study used the indirect fluorescent antibody test (IFAT) to determine the seroprevalence of Sarcocystis neurona, Toxoplasma gondii and Neospora spp., and evaluated the variables associated with these infections among 506 apparently healthy horses, reared in the south of the state of Minas Gerais, Brazil. This study was conducted between April 2012 and October 2013. Among the horses,...

Journal: :Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria 2016
Solange Maria Gennari Hilda Fátima de Jesus Pena David Scott Lindsay Marcos Gomes Lopes Herbert Sousa Soares Aline Diniz Cabral Sérgio Netto Vitaliano Marcos Amaku

Sarcocystis neurona and Neospora hughesi are coccidian protozoa that can cause neurological illness in horses in America. In this study we report seroprevalence of Neospora spp. andS. neurona in sera of 333 donkeys from the northeastern region of Brazil. Antibodies to Neospora spp. were detected in 2% (7 donkeys) of 333 sera tested by the indirect fluorescent antibody test (IFAT) with a cut-off...

2018
Wei Cong Lan-Bi Nie Si-Yuan Qin Wei-Li Wang Ai-Dong Qian Qing-Feng Meng

This study was conducted to detect specific anti-Neospora antibodies using a commercial competitive-inhibition ELISA kit, and to evaluate the risk factors for Neospora spp. infection. Out of a total of 2,228 donkey sera collected in three provinces in China, 211 (9.5%) were found to be positive for anti-Neospora antibodies. Statistical analysis revealed that age (p = 0.019, OR = 1.62, 95%CI: 1....

2017
Daniel Gutiérrez-Expósito Ignacio García-Bocanegra Daniel K. Howe Antonio Arenas-Montes Michelle R. Yeargan SallyAnne L. Ness Luis M. Ortega-Mora G. Álvarez-García

BACKGROUND Equine besnoitiosis, caused by Besnoitia bennetti, and equine protozoal myeloencephalitis (EPM), caused by Sarcocystis neurona and Neospora hughesi are relevant equine diseases in the Americas that have been scarcely studied in Europe. Thus, a serosurvey of these cystogenic coccidia was carried out in Southern Spain. A cross-sectional study was performed and serum samples from horses...

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