ISOLATION AND IDENTIFICATION OF BRUCELLA ABORTUS BIOVAR 3 IN A DAIRY CATTLE HERD VACCINATED WITH BRUCELLA ABORTUS RB51 VACCINE IN IRAN
Publish place: 19th International Congress of Microbiology of Iran
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
MEDISM19_550
تاریخ نمایه سازی: 13 مهر 1397
Abstract:
Background and Aim:Bovine brucellosis is a widespread zoonosis with critical effects on animal and public health. The disease is prevalent nationwide and the rate of infection is dramatically increasing. Eradication of brucellosis in Iran is a big challenge. Surveillance and control programs facing challenge in Iran and complete eradication of the disease is seemed to be impossible.Methods:The aim of the current study was to identify brucellosis among dairy Holstein cattle herd showed cases of abortion and seropositive reactions after vaccination with B. abortus RB51.Results:Twenty cows have been aborted and 30 non-pregnant cows gave seropositive reactions. Sixteen B. abortus biovar 3 isolates were recovered from fetal organs and fetal placenta. Source of infection is not determined and most likely is the uncontrolled introduction of the agent via persons, infected animals, semen and vectors.Conclusion:In endemic countries serodiagnosis of brucellosis alone is not sufficient and has to be accompanied with isolation and molecular diagnosis.
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Authors
Saeedeh Alamian
Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
Maryam Dadar
Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
Ali Mohammad Behrozikhah
Razi Vaccine and Serum Research Institute (RVSRI); Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
Gamal Wareth
Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, ۰۷۷۴۳ Jena, Germany