Research Article

Microbiological Indoor and Outdoor Air Quality in Chicken Fattening Houses

Table 4

Polish Norms PN-89/Z-04111/02 and PN-89/Z-04111/03 (https://www.pkn.pl/) [23].

Polish NormMesophilic bacteriaStaphylococciFungi

No pollution<100003000–5000
Medium pollution1000–3000<255000–10000
Heavy pollution>3000>25>10000