AVMA Updates Guidelines for Depopulation of Animals

Foam depopulation now recognized as a top-tier method after years of research.

Published on Mar. 5, 2026

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The American Veterinary Medical Association (AVMA) has released revisions to its Guidelines for the Depopulation of Animals, with foam depopulation now recognized as a Tier 1 method after years of research.

Why it matters

The AVMA guidelines serve as an important industry standard for the ethical and humane treatment of animals, especially in emergency situations requiring depopulation. The recognition of foam depopulation as a top-tier method reflects advancements in animal welfare science and practices.

The details

The AVMA guidelines outline various methods for depopulating animals, categorized into tiers based on animal welfare considerations. After extensive research, foam depopulation has now been elevated to a Tier 1 method, indicating it is considered one of the most humane and effective options available.

  • The AVMA released the revised guidelines on March 5, 2026.

The players

American Veterinary Medical Association (AVMA)

The AVMA is the leading organization for veterinary professionals in the United States, responsible for setting industry standards and guidelines for animal welfare.

Dr. Meghann Pierdon

A veterinarian at the University of Pennsylvania who attended the American Association of Swine Veterinarians' annual meeting in Las Vegas to discuss the AVMA's guidelines.

Stephanie Wetter

The director of animal welfare for the National Pork Board, who also attended the American Association of Swine Veterinarians' annual meeting in Las Vegas.

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The takeaway

The AVMA's updated guidelines demonstrate the veterinary industry's commitment to continuously improving animal welfare standards, even in challenging situations requiring depopulation. This development is a positive step forward for the ethical treatment of animals.