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a survey of neospora caninum-associated bovine abortion in large dairy farms of mashhad, iran.neospora caninum is an apicomplexan protozoon causing abortion in cattle worldwide. the present study was designed to assess the importance of this parasite for causing abortion in dairy farms in the mashhad area of iran. of the aborted bovine fetuses, 151 were collected from dairy farms between 2006 and 2008. first, brain samples were examined by polymerase chain reaction (pcr) for the presence of n. caninum dna, diagnosis was complemented with immunohistochemistry (ihc) and fetal serology (eli ...201020352453
evaluation of bovine abortion associated with neospora caninum by different diagnostic techniques in mashhad, iran.twelve aborted foetuses (gestational ranged from 4-9 months) and dams from dairies cattle farms in (mashhad) iran were analysed to investigate the participation of neospora caninum in abortion. diagnosis of the infection was determined by histopathology, serology (indirect fluorescent antibody test [ifat]) and semi-nested polymerase chain reaction (pcr). a total 33% of bovine foetuses were considered to be infected by pcr technique. microscopic lesions consistent with n. caninum infection in foe ...200717206503
seroepidemiology of neospora caninum infection in dairy cattle herds in mashhad area, iran.a seroepidemiology study of neospora caninum was conducted in mashhad area, khorasan province, iran on 337 cattle from 30 dairy using elisa. all herds had seropositive cattle and antibodies were formed in 46% of the cattle. abortion was significantly associated with seropositivity of cattle. the highest risk of abortion was observed in the 1-2-year-old cows. our results indicate that neospora infection is widespread in iran.200616289861
serological prevalence of neospora caninum in healthy and aborted dairy cattle in mashhad, iran.a total of 810 dairy cattle were blood sampled and used to evaluate serological screening for neospora caninum infection in dairy cattle herds in mashhad (khorasan province, iran). in 4 herds, of the 810 cattle, 123 (15.18%) were seropositive by ifa test (vmrd inc., pullman, wa 99163, usa) with titer 1:200 and range of prevalence per herd from 9.92 to 19.60%. seroprevalence was not significantly different between holstein breed (14.88%) and brown swiss breed (19.60%). comparison of n. caninum se ...200415381300
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