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Esmaeili, Hossein, Ghasemifard, hassan, hamedi, mona, sharifan, mahyar, bahari, pejman. (1404). Prevalence and Identification of Infectious Abortion Pathogens in Sheep Flocks of North Khorasan, Iran. سامانه مدیریت نشریات علمی, 80(2), 431-435. doi: 10.32592/ARI.2025.80.2.431
Hossein Esmaeili; hassan Ghasemifard; mona hamedi; mahyar sharifan; pejman bahari. "Prevalence and Identification of Infectious Abortion Pathogens in Sheep Flocks of North Khorasan, Iran". سامانه مدیریت نشریات علمی, 80, 2, 1404, 431-435. doi: 10.32592/ARI.2025.80.2.431
Esmaeili, Hossein, Ghasemifard, hassan, hamedi, mona, sharifan, mahyar, bahari, pejman. (1404). 'Prevalence and Identification of Infectious Abortion Pathogens in Sheep Flocks of North Khorasan, Iran', سامانه مدیریت نشریات علمی, 80(2), pp. 431-435. doi: 10.32592/ARI.2025.80.2.431
Esmaeili, Hossein, Ghasemifard, hassan, hamedi, mona, sharifan, mahyar, bahari, pejman. Prevalence and Identification of Infectious Abortion Pathogens in Sheep Flocks of North Khorasan, Iran. سامانه مدیریت نشریات علمی, 1404; 80(2): 431-435. doi: 10.32592/ARI.2025.80.2.431

Prevalence and Identification of Infectious Abortion Pathogens in Sheep Flocks of North Khorasan, Iran

Archives of Razi Institute
مقاله 18، دوره 80، شماره 2، خرداد و تیر 2025، صفحه 431-435    اصل مقاله (365.18 K)
نوع مقاله: Original Articles
شناسه دیجیتال (DOI): 10.32592/ARI.2025.80.2.431
نویسندگان
Hossein Esmaeili* 1؛ hassan Ghasemifard2؛ mona hamedi3؛ mahyar sharifan2؛ pejman bahari4
1of Microbiology, Faculty of Veterinary Medicine, University of Tehran
22Laboratory of North Khorasan Veterinary Head Office, Bojnurd, Iran
3Department of Immunopathology, Faculty of Veterinary Medicine, Islamic Azad University, Science and Research branch, Tehran, Iran.
4Laboratory of North Khorasan Veterinary Head Office, Bojnurd, Iran
چکیده
Abortion is one of the main causes of reproduction losses in small ruminant’s flocks in the world. Infection with the agents including Toxoplasma gondii, Campylobacter spp., Chlamydia abortus, and Coxiella burnetii frequently occurs worldwide. Brucella melitensis is the most important cause of abortion in Iran and its neighbors. Other abortifacient agents such as C. abortus and C. burnetii are prevalent among sheep flocks as well. The present study aimed to investigate the presence of the most common abortifacient pathogens in sheep in North Khorasan, Iran. The samples were collected from 133 aborted sheep fetuses. Then, using ELISA, conventional PCR and bacteriological examination the presence of pathogens including Escherichia coli, B. melitensis, Salmonella spp., C. burnetii, Campylobacter spp., Leptospira spp., Listeria monocytogenes, Toxoplasma gondii, Border disease virus and Blue Tongue virus were assessed. Using bacteriological culture, E. coli (9%) and B. melitensis (12%) were isolated. C. burnetii (2.5%), Toxoplasma gondii (12%), Border disease virus (3%) and Blue Tongue virus (9%) were identified in fetal serology. B. melitensis (12%), Salmonella (8.5%), Campylobacter spp. (1.7%), Leptospira spp. (2.5%), Chlamydia abortus (25.6%) C. burnetii (14.5%), and T. gondii (6.8%) were detected by PCR. C. abortus was the most frequent pathogen detected by PCR (25.6%). The present results showed the studied sheep flocks are infected with the most important abortifacient pathogens which emphasize the demand for more investigations for the detection of abortion causes based on the different geographical regions using simple and sensitive methods. Epidemiological and risk factors contribute in ovine abortion is further necessary.
کلیدواژه‌ها
Abortion؛ Brucellosis؛ Chlamydia abortus؛ Sheep؛ Small ruminant
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مراجع
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