title: Air quality, subclinical disease and animal production losses.
authors.forename: Jamie
authors.initials: J
authors.lastname: Robertson
mesh_terms: D000391:Air Microbiology; D000641:Ammonia / Q000032:analysis*; D000818:Animals; D005260:Female; D006799:Housing, Animal; D006801:Humans; D006920:Hygiene; D013552:Swine / Q000254:growth & development*
chemical_list: D000641:Ammonia