Proficiency Testing Program

Since 1930 AAFCO’s Proficiency Testing Program has been internationally noted for supporting laboratories testing feeds, feed ingredients and pet foods. Four unique proficiency testing schemes target different testing needs. Extra materials from each testing round are offered for purchase as Quality Reference Materials (QRMs). Please refer to links below for detailed information.

ISO/IEC 17043:2010 Certificate and Scope (updated December 16, 2020)
Participant Guidebook (effective July 25, 2019)
Funding statement

Due to recent shipping restrictions in the US, we can no longer provide our proficiency testing services to China, Russia, and Venezuela.

Animal Feed Scheme

The Animal Feed Scheme consists of monthly rounds of a commercial feed, covering a wide variety of feeds and supplements with nutrients, drugs, antibiotics, minerals, and vitamins. Available worldwide, the subscription cost for 2021 is $450 plus shipping.  Subscribe using the web form below:

Pet Food Ingredient Scheme

The Pet Food Ingredient Scheme consists of quarterly rounds of a pet food ingredient and includes ingredients derived from animal and plant sources. The Scheme also distributes a fifth round of dry pet food coinciding with the Animal Feed Scheme. Available worldwide, the subscription cost for 2021 is $450 plus shipping.  Subscribe using the web form below:

Mycotoxin Contaminants Scheme

The Mycotoxin Contaminants Scheme consists of quarterly rounds of animal feed or pet food that has been contaminated with naturally incurred mycotoxins, including aflatoxins, fumonisins, deoxynivalenol, zearalenone, ochratoxin A and T-2 toxin. Available worldwide, the subscription cost for 2021 is $660 plus shipping. Subscribe using the web form below:

Minerals Scheme

The Minerals Scheme consists of quarterly rounds of animal feed, pet food, and food materials with both naturally occurring and spiked Al, As, B, Cd, Cr, Co, Cu, F, I, Pb, Hg, Mo, Ni, Se, S and V at concentrations of health/toxicological significance. Available worldwide, the subscription cost for 2021 is $450 plus shipping. Subscribe using the web form below:

AAFCO Headquarters Office
1800 S. Oak Street, Suite 100, Champaign, IL 61820-6974
Phone: 217-356-4221 --- Fax: 217-398-4119
Email: aafco@aafco.org
Copyright 2021 by The Association of American Feed Control Officials