they now require anyone that has more than 4 animals capable of breeding of any species to have a license.

http://www.streetinsider.com/Press+R...s/8676913.html
http://www.akc.org/governmentrelatio...aphis_faqs.cfm
http://feedstuffs.com/story-usda-rev...tore-45-102277
http://www.noodls.com/view/5488A3C56...9B923FEE12702A