Effects of prolonged kanamycin administration on
INTERVENTION: Chickens were injected with kanamycin monosulfate (200 mg/kg/d) for 10, 13, 17, 20, 25, or 30 days. RESULTS: Scanning electron microscopy revealed that hair cells in the proximal 40% of the basilar papilla degenerated and disappeared after 10 days of kanamycin treatment.
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