Abstract

Aims: The present study aimed to Searching Bovine Herpesvirus Types 1, 4 and Bovine Parainfluenza Virus Type 3 Infections in Milk of Cows with Clinical Mastitis Based in Dairy Cattle Managements.
 Study Design: In 35 managements around Burdur region, milk of 123 cows with clinical mastitis was searched for Bovine Herpesvirus Types 1 (BHV-1), 4 (BHV-4) and Bovine Parainfluenza Virus Type 3 (BPIV-3) infections.
 Results: In the study, the highest seropositivity was detected against BPIV-3. The highest seropositivity on infection distribution according to age was found against every four viruses in animals within the three-year-old group. The highest seropositivity in this group and other age groups was detected against BPIV-3. Seropositivity against these viruses was found in the highest right anterior one and the lowest left posterior one out of determined udder lobes. The highest seropositivity was found in semi-outdoor managements with concrete and dirty grounds where cleaning/disinfection of teats before and after milking was performed, mastitis treatment and viral vaccination was not applied, the ground of stable was cleaned monthly, only feces was collected from the grounds, water was used for cleaning of milking machines and hands and iodised disinfectant was used. During udder inspection evaluation of animals with clinical mastitis, the highest seropositivity was detected in the ones having normal udder, teat and skin appearance. Out of udder and teat skin lesions, the highest seropositivity was found in crushed ones. In the evaluation of udder palpation in animals with clinical mastitis, the highest seropositivity was detected in the ones with teat tissue thickening and with elastic teat sinuses and lobes. In the milk of these animals, the highest seropositivity was found in the ones showing coagulation.
 Conclusion: It was stated that viruses took a vital part in clinical mastitis cases, the structure, practice, cleaning and disinfection of managements was really important, udder and teat skin lesions, tissue thickening, elastic teat sinuses and lobes and coagulation of milk was also crucial. Besides, the appearance of udder, teat and skin was not relevant.

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