Meet the Professional Services Veterinary Team

Merck Animal Health has professional services veterinarians that cover the US from coast to coast with wide range of expertise. Get to know them, both professionally and personally. Find and connect with the team member that supports your needs.

Dr. Brad Berlekamp

RPh, DVM , Associate Director, Veterinary Professional Services
Central Area

“It is a true pleasure to be a part of the Merck Animal Health team, and working in an environment where growth and development are built into everything we do.”

Contact Dr. Brad Berlekamp


  • Personal Info

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To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Melissa Bourgeois

DVM, PhD, DACVM (Virology, Immunology),
Associate Director, Veterinary Professional Services
South Area

“Two of the things I like the most about working at Merck Animal Health are the scientific excellence of our products and the way that Merck Animal Health gives back to the community.”

Contact

Dr. Melissa Bourgeois


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Debera A. Butler

DVM, Sr. Professional Services Veterinarian
Mountain States Region (AZ, CO, ID, MT, NM, NV, UT, WY)

“My favorite part of being a veterinarian for Merck Animal Health is visiting my alma mater, CSU. I get the honor of lecturing to students and collaborating with faculty, some of which taught me.”

Contact Dr. Debera A. Butler


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Robert Duquette

PhD, BVSc, MRCVS,
Associate Director, Veterinary Professional Services
West Area

“It’s such an honor to be part of such a diverse and talented Team. Not a day goes by without me learning something new and exciting about the latest innovations across the veterinary field – not only for companion animals, but for all animals.”

Contact Dr. Robert Duquette


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. David C. Duvall

DVM, Sr. Professional Services Veterinarian
Ohio Valley Region (NY, OH, PA)

“It was my life-long dream to become a veterinarian and improve the lives of animals. Becoming a veterinarian was the only occupation I ever considered.”

Contact Dr. David C. Duvall


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Sheryl Gamble

MS, DVM, Sr. Professional Services Veterinarian
Southeast Region (FL, GA)

“Animals love unconditionally. We should be more like them.”

Contact Dr. Sheryl Gamble


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Matthew Goetz

DVM, MBA, Sr. Professional Services Veterinarian,
Animal Welfare Organizations Team
National

“I love the fact that all my customers do their best every day with the resources they have available in order to make a positive impact on the animals in their community.”

Contact Dr. Matthew Goetz


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Jeanne Goodfellow

DVM, RN, Sr. Professional Services Veterinarian
South Florida Region (FL)

“I enjoy getting to know other veterinarians and staff at the hospitals that I visit. After many years of working together to help them achieve their goals, a bond of trust forms.”

Contact

Dr. Jeanne Goodfellow


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Joseph Hahn

DVM, MA, BBA
Executive Director of the US Companion Animal and Equine Professional Services

“In my role at Merck Animal Health, I am able to help veterinarians, and that equates to helping animals in a different and exciting way. My ability to reach and impact a larger audience means I can help more pets live healthier lives.”

Contact Dr. Joseph Hahn


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Sharon Hubby

VMD, Professional Services Veterinarian
Tri-State Region (CT, NJ, NY)

“I grew up with 14 dogs, 50 rats, 3 mice, 2 gerbils and a bunny. My desire to become a veterinarian began at a very early age and I never considered any other career.”

Contact Dr. Sharon Hubby


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Nikhil Joshi

VMD, Professional Services Veterinarian
Mid-Atlantic Region (DC, DE, MD, PA)

“I am proud to be working with such accomplished, passionate, hard-working, and friendly people.”

Contact Dr. Nikhil Joshi


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Blythe Jurewicz

DVM, Professional Services Veterinarian
Northern California and Hawaii Region (CA, HI)

“Caring for and bonding with my patients and the people who care for them is one of the most rewarding parts of being a veterinarian.”

Contact Dr. Blythe Jurewicz


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. James R. Kallman

DVM, Sr. Professional Services Veterinarian
South Central Region (AR, KS, MO, OK)

“The best parts of my day have animals in them; the worst is when I have to say goodbye to a beloved family member.”

Contact

Dr. James R. Kallman


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Christopher A. Lee

DVM, MPH, DACVPM, Sr. Professional Services Veterinarian
Southern California Region (CA)

“The deeper we dive into veterinary medicine, the more interweaved with other species, and fascinating we find one animal to be, the human. This profession helps animals and people to enrich each other’s lives further.”

Contact

Dr. Christopher A. Lee


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Debra Olbrich

DVM, MS, Sr. Professional Services Veterinarian
Great Lakes Region (IA, IL)

“I can’t imagine my life without animals. They provide unconditional love to us and I get such a great feeling inside knowing that I can help that animal live a long and comfortable life.”

Contact Dr. Debra Olbrich


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Mark Pelham

DVM, Sr. Professional Services Veterinarian
Gulf Coast Region (AL, LA, MS, TN)

“What I enjoy most about being a veterinarian is being part of that human-animal bond and helping those that can’t help themselves.”

Contact Dr. Mark Pelham


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Paris J. Revoir

DVM, Sr. Professional Services Veterinarian
North Central Region (MI, MN, ND, NE, SD, WI)

“As a veterinary practitioner, I was often part of the pet owners’ family, entrusted with the care of the pet. I’m a “people person” and building these relations were an important part of my practice.”

Contact Dr. Paris J. Revoir


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Keith Rohrer

DVM, Professional Services Veterinarian
Michiana Region (IN, MI, OH)

“Bonding with pets and their families through all life stages is the most rewarding aspect of this noble profession.”

Contact Dr. Keith Rohrer


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Keri Shaver

DVM, Professional Services Veterinarian
Carolinas Region (NC, SC)

“I love being able to partner with our colleagues to help them achieve their visions within their practices.”

Contact Dr. Keri Shaver


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Dominique Sims

DVM, Professional Services Veterinarian
Pacific Northwest Region (AK, OR, WA)

“I have wanted to be a veterinarian since I was three years old. My earliest memory is attending my family dog’s vaccine appointment and being so amazed that this kind of profession existed.”

Contact Dr. Dominique Sims


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Nicole Sinclair-Torre

VMD, MBA, Associate Director, Veterinary Professional Services
East Area

“As a Professional Services Veterinarian, you can positively impact so many animals through education and conversations with numerous veterinary healthcare team members.”

Contact

Dr. Nicole Sinclair-Torre


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Matthew Stevens

DVM, Sr. Professional Services Veterinarian
Shenandoah Valley Region (KY, VA)

“Growing up, we had every type of critter there was. Dogs and cats to birds and iguanas. I always enjoyed not only our pets, but also the interactions with our veterinarian and the staff.”

Contact Dr. Matthew Stevens


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Charine Tabbah Ahmed

DVM, Sr. Professional Services Veterinarian
New England Region (CT, MA, ME, NH, NY, RI, VT)

“Most of us become veterinarians because of our love of animals, but one of the best parts of the job is the relationships you form with your clients over time.”

Contact

Dr. Charine Tabbah Ahmed


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Taylor Tillery

DVM, Sr. Professional Services Veterinarian
North Texas Region

“We have great diversity of thoughts and opinions from some very intelligent veterinary teammates that push me to always work harder, think differently and be better.”

Contact Dr. Taylor Tillery


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Equine

Dr. Fairfield T. Bain

DVM, MBA, Dipl. ACVIM, ACVP, ACVECC
Associate Director of Strategic Development and Innovation – Equine

Dr. Bain’s areas of interest include diagnostic ultrasound in critical care, perinatology and neonatal intensive care, cardiovascular disorders, cytopathology and surgical pathology, dermatology and dermatopathology, and hyperbaric oxygen therapy.

Contact

Dr. Fairfield T. Bain


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. D. Craig Barnett

DVM
Director Equine Veterinary Professional Services

Dr. Barnett’s areas of interest include infectious disease, preventative care and vaccinology, dentistry, sports medicine and lameness, and parasitology.

Contact Dr. D. Craig Barnett


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Duane Chappell

DVM
Associate Director Equine Pharmacovigilance and Professional Services

Dr. Chappell’s areas of interest include reproduction, dentistry, infectious disease, preventative care, vaccinology and biosecurity.

Contact Dr. Duane Chappell


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Bryant Craig

DVM
Senior Equine Professional Services Veterinarian

Dr. Craig’s areas of interest include reproduction, sports medicine and lameness, herd health, infectious disease, preventative care and vaccinology.

Contact Dr. Bryant Craig


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Earl Gaughan

DVM, DACVS
Senior Equine Professional Services Veterinarian

Dr. Gaughan’s areas of interest include sports medicine and lameness, young, growing horses, equine surgery, infectious disease, preventative care and vaccinology.

Contact Dr. Earl Gaughan


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Dr. Chrissie Schneider

DVM, MS, DABVP, cVMA
Senior Equine Professional Services Veterinarian

Dr. Schneider’s areas of interest include infectious disease and preventive care, ophthalmology, emergency care in the field and acupuncture.

Contact

Dr. Chrissie Schneider


  • Personal Info

  • Business Info

  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.

Livestock

Have a livestock-related question or comment?

Use the contact form to get in touch with the livestock Technical Services team.

Contact Livestock PSV Team

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  • This field is for validation purposes and should be left unchanged.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services.

  • Companion Animal Technical Services – Dogs & Cats: 800-224-5318
  • Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
  • Equine Technical Services: 866-349-3497

For after-hours emergencies: Call the appropriate number listed above and follow the prompts.
For information about Merck Animal Health products, call Animal Health Customer Service: 800-521-5767
For information about microchip identification in dogs and cats, call HomeAgain: 888-466-3242.