www.foodengineeringmag.com/articles/90999-american-meat-institute-releases-updated-recommended-animal-handling-guidelines-and-audit-guide

American Meat Institute releases updated Recommended Animal Handling Guidelines and Audit Guide
The audit underwent a first major overhaul in 2010, and has been tweaked in 2012 and 2013.
July 25, 2013
American Meat Institute (AMI) released an updated version of its Recommended Animal Handling Guidance and Audit Guide: A Systematic Approach to Animal Welfare. The July 2013 edition was certified by the Professional Animal Auditor Certification Organization and includes clarification on farrowing on trucks, a new category called "ambulatory disabled animals" and a correction to Core Criteria 2 of the Sheep Transportation Audit. The guide can be found at http://www.animalhandling.org.