Though not firearms this is related to those that use/raise/breed/kennel dogs for hunting.
Some new proposed bills you might want to check out:
SB 0049/HB0435 - Animals and Animal Cruelty - Requires kennels that keep four or more dogs or cats to be licensed by commissioner of agriculture; earmarks $80,000 from sale of Animal Friendly specialty license plates for implementation of program to regulate kennels. - Amends TCA Title 44, Chapter 17 and Title 55, Chapter 4, Part 2.
SB1686/HB0148 - Animals and Animal Cruelty - Expands present dealer license fee for resale of dogs or cats to include persons who breed for sale more than one litter of pups annually; places space restriction per adult dog on such breeders. - Amends TCA Title 44, Chapter 17, Part 1.
A good site for keeping up to date on animal related bills is:
http://www.raot.org/legislation/legislation.htm