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News Releases
June 4, 2026
New Research from MSD Animal Health Reveals “Hidden” Parasitic Infections Cost Global Dairy Industry Billions Each Year
MSD Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced a comprehensive scientific review of dairy cattle parasites has revealed that “hidden” infections are costing the global cattle industry billions of dollars every year.
March 18, 2026
FDA Approves BRAVECTO® QUANTUM (fluralaner for extended-release injectable suspension) from MSD Animal Health to Treat and Control Asian Longhorned Tick and Gulf Coast Tick for 12 Months in Dogs
MSD Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.
February 25, 2026
FDA Approves NUMELVI™ (atinvicitinib tablets) for Dogs from MSD Animal Health – The First and Only Second-Generation Janus Kinase (JAK) Inhibitor for the Control of Pruritus Associated with Allergic Dermatitis
MSD Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.
February 24, 2026
MSD Animal Health Wins 2025 S&P Global Award in Best Product Companion Animal and Best Product Food Animal Categories for NUMELVI and INNOVAX® ND-IBD-ILT, Respectively
S&P Global Animal Health awarded NUMELVI® Best Companion Animal Product and INNOVAX® ND-ILT-IBD Best Food Animal Product. This is the 8th consecutive year that Merck Animal Health earned an S&P Global Award and the first time a company has won the Best Product Companion Animal and Best Product Food Animal awards in the same year.
February 9, 2026
MSD Animal Health and FVE Reward 34 Veterinary Students from Across Europe
MSD Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.
December 4, 2025
FDA Conditionally Approves MSD Animal Health’s EXZOLT™ CATTLE-CA1 for the Prevention and Treatment of New World Screwworm (Cochliomyia hominivorax) Larvae (myiasis)
MSD Animal Health, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.
Featured Stories
‘Hidden’ Parasitic Infections in Dairy Cattle Cost the Industry Billions Every Year
Recent research suggests that the global impact of parasites is far greater than many realize, costing the industry billions of dollars each year, with most losses driven by reduced performance.
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
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