A survey was carried out on all the neoplasms in pigs and goats which are recorded in the registration files of the Section of Pathology of the Veterinary Research Institute at Onderstepoort over a period of 40 years, from 1935 to 1974. The tumours encountered in these 2 species were tabulated separately according to their type and site of origin.
In pigs, 24 tumours were recorded, and in goats, only 21. Of the porcine neoplasms 13 (54%) were lymphosarcomas, 5 (20,8%) were cutaneous squamous cell carcinomas and 2 (8,4%) were embryonal nephromas. In goats, 8 (38%) of the tumours were squamous cell carcinomas, 50% of which occurred in the perineal region. Malignant melanomas and papillomas each made up 19% of the total, whilst lymphosarcomas accounted for 14% of the total caprine tumours.
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