MASDSEN A M.Airborne endotoxin in different background environments and seasons[J].Annals of Agricultural and Environmental Medicine, 2006, 13(1):81-86.
[7]
DUAN H, CHAI T, ZHANG X, et al.Microbiological aerosols in poultry houses and its ambience[C]//Proceedings of 13th international congress in animal hygiene.Tartu, Estonia:ISAH, 2007:526-232.
[8]
MATKOVI? K, VU?EMILO M, ?TOKOVI? I, et al.Concentrations of airborne bacteria and fungi in a livestock building with caged laying hens[J].Veterinarski Arhiv, 2013, 83(4):413-424.
GóRNY R L, DUTKIEWICZ J.Bacterial and fungal aerosols in indoor environments in Central and Eastern European countries confinement buildings[J].Annals of Agricultural and Environmental Medicine, 2002, 9(1):17-23.