Symposium on chronic respiratory diseases of poultry. IV. The control of chronic respiratory disease.
D000818:Animals; D002908:Chronic Disease; D004194:Disease; D007239:Infections; D008460:Meat; D009174:Mycoplasma; D011200:Poultry; D012137:Respiratory System; D012141:Respiratory Tract Infections
FOWLS, DOMESTIC/diseases; PLEUROPNEUMONIA-LIKE ORGANISMS/infections; RESPIRATORY TRACT/infections