This is just not true.You know very well that no matter what kind of animals you have, you have to register and the veterinary inspection has to check the conditions in which you keep the animals!
You can hardly see it fit to apply national laws and regulations for farm animal breeders producing meat for human consumption (food industry) to a private person keeping a Hamster or some ornamental fish etc.
This even is very funny, just imagine how to register the little fish and their tiny offspring ...or trying to do so with daphnia...
