Preincubation immersion f eggs in erythromycin to control chronic respiratory disease.
D000818:Animals; D004531:Eggs; D004917:Erythromycin / Q000008:administration & dosage*; D009175:Mycoplasma Infections / Q000517:prevention & control / Q000662:veterinary*; D011201:Poultry Diseases / Q000517:prevention & control*; D012141:Respiratory Tract Infections / Q000517:prevention & control / Q000662:veterinary*
D004917:Erythromycin