Even in the best run animal homes, kennels and catteries, disease can spread rapidly.
Some people have to put their cats or dogs into kennels or catteries for a fortnight when they go on holiday.
That business is not, but might well be, a breeding kennel or a breeding cattery.
These include zoos, research establishments and quarantine kennels and catteries.
I have in my constituency, a lady, highly qualified, who keeps a model cattery.
What kennel or cattery owner will invest more in facilities that he or she believes may be redundant within two or three years?
The council distributes its literature through vets in 1,800 pet shops, 1,200 chemists and a growing number of kennels and catteries, in the form of leaflets and posters.
It is recommended a potential owner visit a cattery to check their own tolerance.