Foam depopulation

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Foam depopulation or foaming is a means of mass-killing farm animals by spraying foam over a large area to obstruct breathing and ultimately cause suffocation. It is usually used to attempt to stop disease spread. Foaming has also been used to kill farm animals after backlogs in slaughtering occurred during the COVID-19 pandemic. Foam depopulation has been used on poultry and pigs and has seen initial research for use on cattle. It has faced criticism from some groups. Some veterinarians have called it inhumane, along with many animal rights and animal welfare organizations who cite the pain caused by suffocation or the harm experienced by the stray survivors.

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