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Razmi, Gholamreza, Zarae, Hadi, Norbakhsh, Mohhammed Foad, Naseri, Zahra. (1392). Estimating the rate of transplacental transmission of Neospora caninum to aborted fetuses in seropositive dams in Mashhad area, Iran. , 7(4), 253-256. doi: 10.22059/ijvm.2013.36284
Gholamreza Razmi; Hadi Zarae; Mohhammed Foad Norbakhsh; Zahra Naseri. "Estimating the rate of transplacental transmission of Neospora caninum to aborted fetuses in seropositive dams in Mashhad area, Iran". , 7, 4, 1392, 253-256. doi: 10.22059/ijvm.2013.36284
Razmi, Gholamreza, Zarae, Hadi, Norbakhsh, Mohhammed Foad, Naseri, Zahra. (1392). 'Estimating the rate of transplacental transmission of Neospora caninum to aborted fetuses in seropositive dams in Mashhad area, Iran', , 7(4), pp. 253-256. doi: 10.22059/ijvm.2013.36284
Razmi, Gholamreza, Zarae, Hadi, Norbakhsh, Mohhammed Foad, Naseri, Zahra. Estimating the rate of transplacental transmission of Neospora caninum to aborted fetuses in seropositive dams in Mashhad area, Iran. , 1392; 7(4): 253-256. doi: 10.22059/ijvm.2013.36284

Estimating the rate of transplacental transmission of Neospora caninum to aborted fetuses in seropositive dams in Mashhad area, Iran

Iranian Journal of Veterinary Medicine
مقاله 2، دوره 7، شماره 4، فروردین 2014، صفحه 253-256    اصل مقاله (171.65 K)
شناسه دیجیتال (DOI): 10.22059/ijvm.2013.36284
نویسندگان
Gholamreza Razmi* 1؛ Hadi Zarae2؛ Mohhammed Foad Norbakhsh2؛ Zahra Naseri1
1Center of Excellence in Ruminant Abortion and Neonatal Mortality, Ferdowsi University of Mashhad, Mashhad, Iran
2Graduated from the Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده
BACKGROUND: Neospora caninum is an apicomplexan protozoa,
which causes abortion in cattle worldwide. OBJECTIVES:
The present study was designed to estimate the rate of
transplacental transmission of N.caninum to aborted fetuses in
seropositive dams in dairy farms in Mashhad area, Iran.
METHODS: Two hundred blood samples of dam with aborted
bovine fetuses were collected from dairy farms from 2008 to
2010. First , the maternal sera in each aborted case were tested by
using ELISA method, and then the brain samples of aborted
fetuses were examined for detecting DNA of N. caninum, using
the PCR method. RESULTS: In this study, 38 (19%) of dams' sera
showed seropositive reaction against N.caninum infection, and
also 23 (10.5%) aborted brain fetuses showed positive reaction
by PCR. A significant association was observed between
N.caninum-serapositie dams and infected aborted fetuses
(p<0.0001). In the present study, 20 (86%) infected fetuses were
aborted from seropositive, and 3 (13%) of the fetuses were
aborted from seronegative dams. CONCLUSIONS: Based on the
results of molecular and serology examination, the rate of
transplacental transmission of N. caninum infection in dairy
cattle were calculated as 52%.
کلیدواژه‌ها
abortion؛ Cattle؛ Neospora؛ PCR
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