title: Pen sizes allowing heavily pregnant sows to 'turn without difficulty'.
authors.affiliation: Cambac JMA Research, Draycot Cerne, Chippenham, Wiltshire.
authors.forename: A P
authors.initials: AP
authors.lastname: Mayland
authors.forename: R M
authors.initials: RM
authors.lastname: Sibly
authors.forename: H J
authors.initials: HJ
authors.lastname: Guise
mesh_terms: D000827:Animal Welfare / Q000331:legislation & jurisprudence; D000818:Animals; D005260:Female; D006799:Housing, Animal / Q000331:legislation & jurisprudence*; D011247:Pregnancy; D011270:Pregnancy, Animal; D013552:Swine; D006113:United Kingdom