Sex - DNA testing

Avian Biotech International (UK)

http://www.avianbiotech.co.uk
Avian Biotech International (US)

http://www.avianbiotech.com
California Avian Laboratory

http://www.californiaavianlaboratory.com
Gene Science

http://www.genescience.com.au
National Veterinary Diagnostic Services

http://www.national-vet.com/
Research Associates Laboratory

http://www.vetdna.com/