Contact Us about Calf Scours
Have a question about Guardian® scours vaccine? Calf scours? Prevention or management? Then contact us using the following form. We’ll get back to you as quickly as possible. Thank you!
To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services:
- 800-224-5318 Companion Animal (Dogs, Cats, Horses)
- 800-211-3573 Livestock & Aquaculture (Cattle, Swine, Dairy)
- 800-219-9286 Poultry
Normal business hours are 8:30 am to 5:00 pm EST.
For after-hours emergencies, please call the numbers shown above. A recorded message will provide the telephone numbers for emergency support services if immediate assistance is needed.