The Science of Healthier Animals
October 23, 2025
New Data from Merck Animal Health Demonstrates that Intranasal Vaccination Against Bovine Coronavirus with BOVILLIS® NASALGEN®-C (Lyophilisate and Solvent for Suspension for Cattle) Significantly Improves Production in Veal Calves
July 10, 2025
FDA Approves BRAVECTO® QUANTUM (Fluralaner for Extended-Release Injectable Suspension) from Merck Animal Health
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Merck Animal Health is committed to protecting the health of animals and supporting a safe and affordable food supply.
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Healthy animals are the foundation of a healthy world. As threats to animal health evolve, so do our solutions.
ABOUT US
Our Responsibility
At Merck Animal Health, we believe our responsibilities to wider society extend beyond our primary goals as a business.
Our mission is The Science of Healthier Animals. Our science supports the precious bond between people and their pets. It also helps protect international public health, ensure food safety and increase protein supplies.
Our Products
Through our broad portfolio of vaccines, therapeutic medicines, parasiticides, and technology solutions, we help veterinarians, pet owners, farmers, and producers maintain and improve the health of animals.
Companion Animal
State-of-the-art products and services that help pets live longer, healthier lives.
Equine
Solutions that help maintain and improve the health and welfare of horses.
Swine
Differentiated health solutions focused on improving swine health and farm sustainability.
Ruminants
Pioneering medicines, vaccines, technology, and insights-driven solutions that aim to improve the health and well-being of ruminants, enable a sustainable meat and dairy supply, and protect public health.
Poultry
Innovative products and solutions that make a difference, improving poultry health, welfare, and productivity.
Aqua
Industry-leading biopharmaceutical and technology solutions that ensure the health, welfare and sustainability of aquatic species.
Research and Innovation
At Merck Animal Health, our scientists and experts are constantly searching for ways to advance the state of veterinary medicine and animal health through the discovery and development of innovative products and solutions, including veterinary medicines, vaccines and technology that improve the health and well-being of animals.
News and Insights
Read our latest news, announcements and resources.
Saving the Herds of Lapland: How an Antiparasitic Drug Helped Preserve Reindeer, Livelihoods, and Culture
In the early 1970s, reindeer herds across Lapland were in crisis. Parasitic infections were decimating calves, with losses in some herds reaching as high as sixty percent.
Protecting Tilapia Production: Field Evidence that Vaccination Saves Fish and Stabilizes Yields
Streptococcosis and a viral disease known as infectious spleen and kidney necrosis (ISKNV) are two of the most consequential infectious threats to tilapia farmers worldwide.
Youngstock: Why the Young Matter Most on Every Cattle Farm
Healthy calves and weanlings grow into productive cows and bulls that determine a herd’s longevity, fertility and financial return.
Immunity-led protection in calves: building health from day one
Calves arrive in the world with huge potential and fragile defenses. Immunity-led protection is a practical, evidence-informed approach that combines colostrum management, nutrition, vaccination and hygiene to support calf immunity while reducing pathogen exposure. The goal is simple: reduce disease, improve growth and productivity, and lower labor and treatment costs. Here is a clear, farm-focused guide to what immunity-led protection means in practice and how to put it into action.
The Advantages of Behavior Monitoring Technology in Dairy Cow Performance and Well-Being
Advancements in dairy technology are transforming how farmers manage their herds, providing valuable insights into cow behavior, health, and productivity. Behavior monitoring tools, such as wearable devices and sensors, have emerged as essential for both confined production systems and outdoor grazing setups. These technologies offer a 24/7 window into cows’ lives, improving performance and well-being while addressing the unique challenges of each farming system.
Enhancing Multivalent Inactivated Vaccines for Long-Living Birds
Poultry is a cornerstone of global food security. It provides affordable, high-quality protein in the form of both meat and eggs, feeding billions of people worldwide.
Careers in Animal Healthcare
You can help advance animal healthcare.
At Merck Animal Health, you have the opportunity to help improve the lives of animals and the people who care for them.
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