Ensuring safe and sustainable meat and dairy products 

The lives of millions of people depend on the health of ruminants such as cattle and sheep. With fewer natural resources and a growing population, our goal is to improve farm intelligence and help ranchers with higher yields and more efficient production. 

The science of healthier animals 

It’s essential to maintain the health of animals so they can produce optimally in the future. Merck Animal Health offers veterinary healthcare with a focus on the following key health areas: 

Disease Prevention

Preventing infection, improving immunity and minimizing disease risk using a science-based approach to vaccination, housing, hygiene and nutrition. 

Prompt Diagnosis & Treatment 

Identifying and treating disease before it has a chance to spread, as well as reducing disease severity or preventing complications. 

Health Restoration 

Restoring the health of affected animals. 

Committing to the future of ruminant health 

Merck Animal Health aims to shape the future of ruminant health and well-being through our pioneering science, technology, and insights-driven solutions. As we work toward a world with better cattle farming and a sustainable meat and milk supply, we focus on the following key areas: 

Animal well-being 

Helping keep animals free of stress and housed correctly with optimal husbandry.  

Precision cattle 

Offering technological solutions to facilitate the prediction, monitoring, early detection, and appropriate treatment of disease.  


Providing evidence-based animal traceability solutions to help ranchers and farmers identify diseased and at-risk animals are by combining each animal’s unique DNA along with data analytics to ensure alignment with food industry requirements and consumer goals. 

Identification and Monitoring

Allflex Livestock Intelligence is a livestock portfolio of digital products within Merck Animal Health. Its identification and monitoring technology provides real-time actionable information to help farmers improve livestock management.

Explore our focus therapeutic areas below. 

Lung Health 

Lung health: every breath counts 

Even minor impairment can impact an animal’s well-being and performance. Helping veterinarians and farmers manage lung health is a major priority of Merck Animal Health. By providing products, services and knowledge, we help veterinarians and farmers provide a thorough and effective approach to maintaining healthy lungs in their herds. 

Below are some of our key products and services related to lung health.


Multivalent vaccine developed to protect cattle against the three main causative pathogens of Bovine Respiratory Disease (BRD): Bovine Respiratory Syncytial Virus, Parainfluenza 3 Virus and Mannheimia haemolytica


The first and only intranasal BRD vaccine offering protection against IBR, BRSV, PI3, Pasteurella multocida and Mannheimia haemolytica. Can be used in young calves for a strong, healthy start to life. 


Vaccine for the prevention of respiratory disease caused by infectious bovine rhinotracheitis (IBR) virus; bovine virus diarrhea (BVD) virus (Type 2); and bovine respiratory syncytial virus (BRSV) and as an aid in the control of disease caused by bovine virus diarrhea (BVD) virus (Type 1), parainfluenza-3 virus (PI-3), Mannheimia haemolytica and Pasteurella multocida


Long-acting, low-volume, single-injection antibiotic (macrolide) to control and treat Bovine Respiratory Disease. 


One-shot treatment for Bovine Respiratory Disease. It combines two therapies in one dose: the powerful antibiotic florfenicol to kill or inhibit the disease-causing bacteria Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni; and, the fast-acting, non-steroidal, anti-inflammatory drug (NSAID) flunixin meglumine to reduce BRD-associated fever. 


Injectable antibiotic containing florfenicol for treatment of Bovine Respiratory Disease in cattle. 


 The only non-steroidal anti-inflammatory (NSAID) cattle product available with a convenient pour-on route of administration used to control pain due to foot rot and fever due to BRD.

Neonatal Health 

Caring for the newborn animal is an investment for the future 

At Merck Animal Health, we partner with veterinarians to ensure quality neonatal healthcare for ruminants. Good neonatal care means better welfare for the animals and helps farmers increase their yield by optimizing the animal’s lifetime performance. 

Below is a brief overview of the key products and services we provide: 


A single-dose vaccine for the active immunization of pregnant cows and heifers to raise antibodies. Rotavec Corona is effective against scours caused by rotavirus, coronavirus and E. coli K99


For the vaccination of healthy pregnant cattle to provide passive immunity against neonatal calf diarrhea caused by enterotoxigenic E. coli pilus type K99, G6 and G10 rotaviruses, bovine coronavirus types 1 and 3, and enterotoxaemia caused by Cl. perfringens Types C and D. 


Solution for oral administration for the prevention and treatment of diarrhea caused by Cryptosporidium parvum in calves. 


Oral suspension for the prevention of coccidiosis in calves (caused by Eimeria bovis and Eimeria zuernii) and lambs (caused by Eimeria crandallis and Eimeria ovinoidalis). 

Parasite Control 

Parasite infestations are devastating to animals

Merck Animal Health promotes a comprehensive approach to the control of endo- and ecto-parasites to help veterinarians and farmers establish effective parasite management programs for the well-being of the herd. 

Below is a brief overview of key products: 


For prevention and treatment of flies, lice, keds and ticks on cattle and sheep. 


Solution for oral administration for the prevention and treatment of diarrhea caused by Cryptosporidium parvum in calves. 


Broad spectrum anthelmintic, which contains fenbendazole. 


Dewormer for beef and dairy cattle, which contains fenbendazole. 


Ectoparasiticide containing amitraz for the control of ticks, mange mites, lice and keds on cattle, sheep, goats and pigs. 


Oral suspension for the prevention of coccidiosis in calves (caused by Eimeria bovis and Eimeria zuernii) and lambs (caused by Eimeria crandallis and Eimeria ovinoidalis). 


Reproductive performance is a major factor affecting the production and economic efficiency of cattle operations

As experts in reproduction management, Merck Animal Health provides a broad range of solutions to protect the livelihood of farms. 

Below is a brief overview of key products:  


Prostaglandin analogue for cattle used to induce luteolysis in beef and dairy cattle. 


Hormone indicated for the treatment of ovarian follicular cysts in dairy cattle. 


Intra-uterine injector for treatment of endometritis in cattle. 


Solution for the treatment of reduced fertility by ovarian dysfunction, induction of ovulation and improvement of conception rate in cows. 

Sheep Health  

As an industry leader in the ovine health segment, Merck Animal Health offers a broad range of health management solutions that sustain the well-being of sheep and improve the health of the flock. 

Merck Animal Health has a long-term commitment to the sheep industry. Our sheep health platform includes vaccines, antiparasitics, anti-infectives and reproductive hormones. 

Below is a brief overview of key products: 


For the active immunization of sheep as an aid in the control of clostridial diseases and pasteurellosis in sheep. Heptavac P Plus contains antigens from six clostridial species and antigens from the most important serotypes of Mannheimia haemolytica and Pasteurella trehalosi


Vaccine for active immunization of sheep and cattle, and passive immunization of lambs and calves, against diseases caused by several clostridial species. 


For prevention and treatment of flies, lice, keds and ticks on cattle and sheep. 


Multi-strain ovine footrot bacterin for the prevention and treatment of footrot in sheep. 


Broad spectrum anthelmintic, which contains fenbendazole. 

Udder Health 

Good udder health contributes to the wellness of dairy cattle. It also helps dairy farmers save costs and achieve better milk quality and production. 

Merck Animal Health provides veterinarians and farmers with a comprehensive udder health portfolio. Our leading scientific research produces top veterinary products, services and procedures for diagnosis and control, all of which contribute to maintaining quality in every drop of milk. 

Below is a brief overview of key products: 


Dry cow therapy to cure existing infections at dry off, prevent new infections and reduce somatic cell counts and mastitis in the subsequent lactation. 


Intramammary and injectable solution containing cefquinome. Indicated for the treatment of clinical mastitis in lactating dairy cows. 


Pre-filled syringes for intramammary treatment of clinical mastitis in lactating dairy cows, with active compounds cefapirin and prednisolone. 

General Health  

Tackling the most virulent infectious diseases is the first step in ensuring reliable meat and dairy supplies. 

By collaborating with veterinarians, farmers, government regulators and scientists, Merck Animal Health has implemented successful programs to keep herds healthy. 

Below are our key products and services for the health of ruminants. 


Inactivated vaccine for the immunization of cattle against Bovine Viral Diarrhea virus (BVDV). Also registered for use in pregnant cows and heifers to prevent infection of the fetus with BVDV. 

BOVILIS® IBR Marker Range 

Live attenuated and inactivated marker vaccine against infections with bovine herpesvirus type 1 in cattle. 


Antiparasitic to prevent against and treat animals with ticks, flies, lice, and manage on cattle and sheep.