Contact Us

Special Announcements
  • Our office will close at 4:00 PM CST on Thursday, 12/12, through Friday, 12/13, as we transition to a new office space. During this time, our website and support center will be temporarily unavailable. We will resume normal business operations on Monday, 12/16.
We're here to help! 
For claim redemption inquiries, please contact
the customer service center:
 Email:  mahcattle@acbcoop.com
Phone: 844-980-2200
Address: Merck Animal Health, 2 Giralda Farms, Madison, NJ 07940

Follow us:
Copyright ©   Merck & Co., Inc., Rahway, NJ, USA and its affiliates. All rights reserved.