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BovinePapillomatosis
Papillomaviridae
Question | Answer |
---|---|
Warts are more commonly seen in this domestic animal than any other. | CATTLE |
Do the various serotypes crossprotect? | NO |
How is the virus transmitted? | Contaminated halters, nose leads, grooming and earmarking equipment, rubbing posts, and possibly venereal transmission |
What is a fibropapilloma? | fibrous core covered to a variable depth with stratified squamous epithelium with hyperkeratinized outer layers |
What's another name for a cauliflower-like growth of fibropapillomas that regress within 6-12 months? | Verruca vulgaris |
Where are fibropapillomas most commonly seen on the cattle? | head, neck, and shoulders |
Where are fibropapillomas found in young bulls? | frequently on the penis. grows rapidly and may surround the tip = no value as bull studs |
How is a cutaneous papilloma different from a fibropapilloma? | Lacks a fibrous core and is usually flat with a broad base that persists |
Where do papillomas due to bovine papillomavirus 4 occur? | Alimentary and urinary tract and can progress to Squamous cell carcinomas |
tract or bladder (chronic endemic hematuria)? | ingestion of Bracken Fern. both co-carcinogen and immunosuppressive agent |
What are 4 ways lesions can be removed? | (1)Surgical removal. (2)Cryosurgery with liquid nitrogen. (3)Dry ice. (4) Burning off when the milk still needs to be saved |