title: Review of some developments in animal housing systems--pigs and poultry.
authors.forename: B
authors.initials: B
authors.lastname: Armstrong
authors.forename: J P
authors.initials: JP
authors.lastname: Cermak
mesh_terms: D000818:Animals; D004531:Eggs / Q000592:standards*; D006799:Housing, Animal; D011200:Poultry / Q000502:physiology*; D013552:Swine / Q000502:physiology*