TechLab Inc. in Blacksburg, Va., a developer and manufacturer of rapid noninvasive diagnostic tests for gastrointestinal diseases, announced that it has received a USDA establishment license and product license for Giardia Vet Check. The test, an automatable enzyme immunoassay, qualitatively detects Giardia cyst antigen in canine and feline fecal samples and is the first USDA-licensed Giardia microwell ELISA available in the US veterinary market.