MDA Animal Health Diagnostic Labs has two laboratories offered for testing services - in Salisbury and Frederick. They offer testing for Pullorum-typhoid, Mycoplasma gallisepticum, Mycoplasma synoviae, and Avian Influenza on serum. Backyard poultry owners may submit birds for necropsy to the nearest MDA lab. It is recommended that owners call the lab first prior to submitting samples. Salisbury Laboratory, (410) 543-6610 or Frederick Laboratory, (301) 600-1548.