title: Poultry: principles of disease control. IV. Medication.
mesh_terms: D000818:Animals; D003048:Coccidiosis / Q000517:prevention & control / Q000662:veterinary; D004358:Drug Therapy; D004467:Economics; D004927:Escherichia coli Infections / Q000517:prevention & control / Q000662:veterinary; D009175:Mycoplasma Infections / Q000517:prevention & control / Q000662:veterinary; D011200:Poultry; D011201:Poultry Diseases / Q000517:prevention & control*