"Extreme confinement" refers to a situation where someone or something is very tightly restricted or confined, often in a very small or limited space. Full definition
The press release notes the key elements of the proposal include preventing the following: extreme confinement of farm animals in small cages, the use of «downer cows» in the human food chain and the use of inhumane methods of euthanasia for sick and injured animals. (critters.blogs.starnewsonline.com)
Law stipulates that eggs sold in California must not come from hens living in extreme confinement (humanesociety.org)
There's been so much tangible progress for animals in recent years — national euthanasia numbers continuing to decline, felony - level penalties for malicious cruelty enacted in every state, and major food retailers pledging to phase out purchasing animal products from farms that use extreme confinement systems. (animalsheltering.org)