Seroprevalence of Brucellosis among Industrial and Semi-industrial Dairy Cows under Brucellosis Testing and Slaughter Operations of Veterinary Organization of Iran-2018 1397
Brucellosis is one of the most important zoonotic diseases. Control and prevention of disease in animals in addition to preventing economic losses to the animal industry, it can prevent human disease and its losses. The present survey was carried out to determine the contamination status of industrial and semi-industrial dairy cows under the cover of Veterinary Brucellosis Testing and Slaughter Operations in 1397
This is a descriptive survey and the required information was obtained from the Veterinary Organization of Iran in 1397. Cows with positive results for Rose bengal and Wright and 2-mercaptoethanol tests were used sequentially recorded as positive sera and in this survey, the farm with at least one seropositive cow was considered positive for brucellosis.
In this survey, the percentage of contamination (Seropositive) in herd level in dairy cows covered by brucellosis testing and slaughter operations was 3.94% and individual level was 1.70 per thousand. The highest percentage of contamination in herd level and individual level was 14.29% and 8.39 per thousand respectively in breeding complexes. Most of the contamination at individual level was 18.03 per thousand in Yazd province.
According to the results of this survey, there is an essential need to pay more attention to management systems of breeding complexes and their problems
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