"Whilst we agree that antibiotics should be used for the treatment of sick animals, they should not be used to support irresponsible practices such as growth promotion or routine disease prevention of animals kept in closely confined and unsanitary conditions," it says.
Are animals kept in the house?
There appears to be little evidence to demonstrate that the welfare of animals kept in travelling circuses is any better or worse than that of animals kept in other captive environments".
Conventional farmers, on the other hand, often use antibiotics preventively to treat stressed, disease-prone animals kept in factory farms.
Some come from local breeding farms, but Four Paws also rescues animals kept in appalling conditions in zoos in Romania, Jordan and the Congo.
State officials revoked Ms. Byron-Marasek's permit after an investigation revealed that the animals, kept in cramped chain-link cages, were not receiving proper care.
Fur farms involve 75 million animals kept in tiny cages, many of which become infected with disease, suffer horrific injuries and go mad from grief and stress.
Advocates of the new regulation claim that circuses are cruel, but opponents cite the 2007 Radford Report, which found no evidence that "the welfare of animals kept in travelling circuses is any better or worse than that of animals kept in other captive environments".
Progress: Australia's largest supermarket chain, Coles, will stop selling company-branded pork and eggs from animals kept in factory farms starting Jan . 1
Like thousands of exotic animals kept in private collections across the country, these animals endured a life of extreme confinement and often neglect.
Campaigners want to alert travellers to the sickening trade behind the pictures, which often sees animals kept in squalid conditions and funds illegal poaching and trafficking.
