Estimated Shipping Schedule

Orders placed by 10am CST are processed same day.  

All orders are shipped in 1-2 business days. 

Temperature sensitive refrigerated products are shipped Monday to Thursday only.

Standard Delivery Schedule

Delivery Day

Order Day	Order placed by A.M. (CST)	Order placed after 10 A.M. (CST)
Monday	Delivered on Tyesday	Delivered on Wednesday
Tuesday	Delivered on Wednesday	Delivered on Thursday
Wednesday	Delivered on Thursday	Delivered on Monday the following week
Thursday	Delivered on Friday	Delivered on Tuesday the following week
Friday	Delivered on Tuesday the following week	Delivered on Wednesday

You can track your shipment delivery using the My Account- Order History section.

This schedule does not include retailer and wholesaler accounts. Merck Animal Health reserves the right to adjust shipping times.

Merck Holiday calendar

During the following holidays, no vaccine shipments/deliveries will take place:

New Year’s Day
Independence Day
Day after Thanksgiving
New Year’s Eve
President’s Day
Labor Day
Christmas Eve
Juneteenth
Memorial Day
Thanksgiving Day
Christmas Day
Martin Luther King Jr. Day

No shipments December 22, 2024, thru January 1, 2025.

If a holiday falls on a Saturday or Sunday, Merck Animal Health observes it on Monday.

Due to holiday shipping volumes, deliveries may be delayed beyond our control.

Have Questions?

Contact Customer Care Monday through Friday 8 am to 5 pm CST at 800-554-5420.