ALK AS is buying Bio-Medical Services, a veterinary laboratory that treats allergies in animals.

The Austin, Texas-based target develops an allergy-testing serum for the veterinary industry. The deal should allow Denmark-based ALK to expand its services into treating allergies for dogs, cats and horses. ALK currently specializes in allergy diagnosis and treatments for humans. Terms of the deal were not disclosed.

The buyer, headquartered Horsholm, manufactures allergen extracts, which are used to treat various allergies and increase immunity to things that may cause allergies.