The main purpose of the Act is to diagnose, prevent, and control diseases in animals, but welfare is also addressed.
Owners or keepers of domestic animals must provide adequate food and water, veterinarian supervision and immediate attention in case of injury.
[4] In 2017, Mexico passed legislation which makes dogfighting a felony nationwide with criminal penalties.
[5][6] In December 2024, President Claudia Sheinbaum signed constitutional reforms that included animal rights into the document.
[10] De-beaking, de-toeing, tail-docking, tooth pulling, castration, and dehorning of livestock without anaesthetic is legal in Mexico, as is confinement in gestation crates and battery cages.
[13] Humane Society International has a major chapter in Mexico, whose activities involve campaigns against dog-fighting, pet abuse, and advocacy for a vegan diet.