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Other Names: Mycoplasmosis
Mycoplasmosis is caused by infection with
spp. Although there are more than twenty species of
which can infect birds, the two most significant pathogens to chickens include
Causes M. gallisepticum (MG): Chronic Respiratory Disease in chickens. One of the most common causes of respiratory disease in backyard poultry. Infections may be subclinical or result in respiratory disease or M. synoviae (MS): Infectious Synovitis .
Warm, swollen hocks or footpads
History Clinical signs Physical exam Blood test
Name Summary Supportive care Isolate the bird from the flock and place in a safe, comfortable, warm location (your own chicken "intensive care unit") with easy access to water and food. Limit stress. Call your veterinarian. Lincomycin/spectinomycin Administered orally (50 mg/kg q24h), or in drinking water (528 mg/L for 3-7 days) B Speers Tiamulin Administered orally (25-50 mg/kg, once a day) or in drinking water (0.25 g/L) for 3-5 days B Speers, A Garmyn et al., K Marx Tilmicosin Administered orally (30 mg/kg q24h) or in drinking water (100-500 mg/L) for 5 days B Speers Tylosin (Tylan) Administered IM (15-30 mg/kg q6-12h),or in drinking water (250-1000 mg/L) B Speers
Cover feed and water to prevent contamination from wild birds Quarantine new birds for 30 days before adding them to the flock. Discourage wild birds by taking down bird feeders and bird baths.
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