Recent shortages of several common veterinary pharmaceuticals like Flunixin and Meloxicam (injectable) have been resolved [according to the FDA]((https://www.fda.gov/animal-veterinary/product-safety-information/resolved-animal-drug-shortages). However, current shortages have Marquis available on allocation only through 2022 and unavailable ingredients leading to a penicillin shortage. You can check up-to-date information on common animal drug shortages here.