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Mycoplasmosis in Goats

By Joan S. Bowen, DVM, Bowen Mobile Veterinary Practice, Wellington, CO

See also Contagious Agalactia and see Contagious Caprine Pleuropneumonia. Kids infected with Mycoplasma mycoides mycoides (large colony variant) or other Mycoplasma spp may show severe lameness with multiple hot swollen joints, weight loss, pyrexia, and poor coats. Some have diarrhea, and some have increased lung sounds and respiratory rates. Affected kids are generally 2–4 wk old. Morbidity and mortality rates of 90% and 30%, respectively, have been reported. Adult does with Mycoplasma infection may have mastitis and polyarthritis. Treatment is with tetracycline, tylosin, or tiamulin, but prognosis for complete recovery is guarded.