MSD Animal Health: vaccines, medicines and monitoring
MSD Animal Health, the animal health division of Merck & Co., Inc., had sales of USD 6.354 billion in 2025 in vaccines, medicines and monitoring.
MSD Animal Health, known as Merck Animal Health in some markets, is the animal health division of Merck & Co., Inc., making veterinary medicines and monitoring tools.
United States · Animal health business of Merck & Co., Inc.
MSD Animal Health is the animal health division of Merck & Co., Inc., the US pharmaceutical group based in Rahway, New Jersey. In some markets it trades as Merck Animal Health. The division develops veterinary medicines and vaccines and also offers animal identification and monitoring technologies, serving both livestock and companion animals.
For farms, the business covers ruminants, pigs, poultry and aquaculture, with horses and pets served alongside. Vaccines and medicines are used within herd health programmes agreed with the farm veterinarian. Identification and monitoring tools, such as tags and sensors, record animal activity and health signals and raise alerts, helping farmers spot heat, illness or feeding problems earlier and link the data to farm management software.
Size of the business
Merck's Animal Health sales were USD 6.354 billion in 2025, covering livestock and companion animals but not human pharmaceuticals.
What does the company offer?
MSD Animal Health offers veterinary medicines and vaccines, identification and monitoring technologies, and solutions for ruminants, pigs, poultry and aquaculture.
How should a buyer make contact?
Sales are organised by country and business unit, and the company website lists the local contacts for each market. Enquiries usually set out the intended use, the scale of the operation and the timing.
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