| papillomas of the teats and udder of cattle and their causal viruses. | an abattoir survey was carried out on 1657 cattle to determine the incidence and parameters of teat and udder papillomas and their causal viruses. recent research has characterised six different bovine papillomaviruses of which three have been found to be particularly associated with teat tumours. of the population studied 37.3 per cent had teat warts and 86.2 per cent of these had multiple infections; 28.4 per cent had papillomas attributed to bovine papillomavirus 1, 88.5 per cent to bovine pa ... | 1984 | 6098066 |