Ventilation, air hygiene and animal health.
D000391:Air Microbiology; D000820:Animal Diseases / Q000517:prevention & control; D000822:Animal Husbandry / Q000592:standards*; D000818:Animals; D002417:Cattle; D004391:Dust / Q000009:adverse effects; D005260:Female; D005740:Gases / Q000009:adverse effects; D006799:Housing, Animal / Q000592:standards*; D011200:Poultry; D012756:Sheep; D013552:Swine; D013696:Temperature; D014691:Ventilation
D004391:Dust; D005740:Gases