Allflex RFID Tags & Readers
By Allflex (Merck Animal Health)
Last reviewed: December 2025
Allflex leads livestock RFID with ISO-compliant tags starting at $2.90/tag. Learn about 840 USDA tags, reader options, and integration with farm management
Allflex, now part of Merck Animal Health, provides the most comprehensive livestock identification system available. This guide covers tag selection, reader options, and implementation strategies.
Key Features
- 840 RFID Tags: USDA-approved electronic identification tags for official ID
- Visual/EID Combo Tags: Combined visual and electronic identification
- Handheld Readers: Portable readers for individual animal identification
- Panel Readers: Fixed readers for chutes, parlors, and sorting systems
- Tag Management: Online ordering and tag number management
Advanced Features
- SenseHub Integration: Tags compatible with SenseHub monitoring system
- Custom Printing: Farm name and visual number printing on tags
- Tissue Sampling Tags: Tags with integrated DNA sample collection
- Bluetooth Readers: Wireless connectivity to mobile devices
Ideal For
Farm Types: All dairy operations, Beef operations, Sale barns, Veterinary clinics
Competitive Advantages
What sets Allflex RFID Tags & Readers apart from alternatives:
- World's largest livestock ID company
- Universal compatibility with all major systems
- USDA-approved for official identification
- Extensive dealer network
- Backed by Merck Animal Health
Pricing Information
Here is the pricing information for Allflex RFID Tags & Readers:
Tags priced per unit with volume discounts. Readers are one-time purchase.
Pricing Model: Per-tag and reader purchase
Volume discounts significant for larger orders. Tags and readers widely available at farm supply stores.
Pros & Considerations
- Industry standard with proven reliability
- Lifetime retention and readability guarantee
- Broadest integration with dairy equipment
- USDA official ID approved
- Extensive color and size options
- Premium pricing compared to generic alternatives
- Requires USDA Premises ID for 840 tags
- Initial reader investment can be significant
- Some legacy systems may require specific tag types
Implementation & Setup
How to implement Allflex RFID Tags & Readers on your dairy operation:
Implementation Timeline: Immediate for tags; days for reader setup
Training & Support
Training and support options available for Allflex RFID Tags & Readers:
Support Channels:
Evaluation Questions
Key questions to consider when evaluating Allflex RFID Tags & Readers:
- Do you need USDA 840 official identification?
- What is your current identification system?
- How will you read tags (handheld, panel, parlor)?
- Do you want visual ID combined with electronic?
- What software will you integrate with?