veterinary apparatus and instruments and parts thereof for delivering drugs to animals, including drugs to reduce body fat, increase muscle mass, decrease stress or reduce the symptoms caused by or associated with respiratory disorders, namely, a inhalers sold empty for veterinary purposes, liquid drug delivery systems that facilitate the release of drugs or medicated doses for veterinary use; sprayers for veterinary use for the delivery of nasal or oral drugs, namely, drug delivery sprayers that generate a mist or fine spray or nasal or oral drugs for inhalation by animals directly, and drug delivery sprayers that generate a metered dose of nasal or oral drugs for inclusion in or on a carrier for inhalation, absorption, adsorption or ingestion through a part of an animal's body; anesthetic delivery apparatus; anesthetic masks; cannulae; diagnostic apparatus and equipment for animals, namely, diagnostic devices that measure the amount of a pharmaceutically active drug absorbed, ingested, inhaled or excreted by an animal, or delivered by a delivery device or solid or liquid delivery system to an animal; pumps and injectors for veterinary use, namely, pumps and injectors sold empty that generate solutions, fine mists or sprays for inhalation, absorption, adsorption or ingestion through a part of an animal's body; drug delivery systems for animals, namely, metered dose delivery systems, sustained release delivery systems, and pulsating dose delivery systems that deliver drugs onto or into the body of an animal, or the environment in which it resides