1Chai L,Ni J Q,Diehl C A. Ventilation rates in large commercial layer hen houses with two-year continuous monito-ring[J].{H}British Poultry Science,2012,(01):19-31.
2Lin X J,Cortus E L,Zhang R. Ammonia,hydrogen sul-fide,carbon dioxide and particulate matter emissions from Cali-fornia high-rise layer houses[J].{H}Atmospheric Environment,2012.81-91.