Sales and Technical Support
Merck Animal Health
To report an adverse reaction, product-related problem or human exposure, please call Merck Technical Services:
+1.800.211.3573 Livestock & Aquaculture (Cattle, Dairy, Swine, Fish)
Normal business hours are 8:30 am to 5 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.
CAUTION: Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian.