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Searching bovine papillomavirus presence in lesions seen on teats of cows

Özmen, Gürsel; Kale, Mehmet.
Pesqui. vet. bras; 43: e07150, 2023. tab, ilus
Artigo em Inglês | VETINDEX | ID: biblio-1422307


The samples were taken from 106 cows with various-looking lesions on their teats and ranged in age from 2 to 8 years. Enzyme-linked immunosorbent assay (ELISA) antigen (Ag) positive for the bovine papillomavirus (BPV) was found in 59 (55.7%) blood serum samples. PCR using FAP59/64 primers was positive for 24 (22.6%) samples. BPV-2 (40, 37.7%), BPV-6 (28, 26.4%), BPV-8 (30, 28.3%), BPV-9 (36, 34%), BPV-10 (32, 30.3%), and BPV-12 (22, 20.8%) were found in a PCR type-specific analysis of single and mixed type teat warts. The highest positivity was observed in BPV-2, BPV-9 and BPV-10 in flat and round forms, BPV-6, BPV-10, BPV-12, and mixed types in rice grain-cauliflower forms, BPV-9 and mixed types in filiform in the distribution of types based on the macroscopic appearance of teat lesions. As for the distribution of BPV types according to age, the most BPV-2 types were found in the age group of two years, the most BPV-10 types in the age group of three years, the most BPV-9 types in the age group of four years, the most BPV-8+BPV-12 types in the age group of five years, and the most mixed types between the ages of six and eight years. The existence of the virus was then checked using electron microscopy on the chosen samples (at least one investigation was conducted), and it was positively identified using BPV type-specific primers. The authors concluded that BPV detection using an ELISA (Ag) test from blood serum samples was shown to be less sensitive than BPV type-specific PCR from wart samples.
Biblioteca responsável: BR68.1
Localização: BR68.1