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An Infection in Chickens with a Strain of Mycoplasma gallisepticum of Low Virulence |
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| Authors: | R. B. Truscott A. E. Ferguson H. Louise Ruhnke J. R. Pettit A. Robertson G. Speckmann |
| Abstract: | A slow-spreading infection due to a strain of Mycoplasma gallisepticum was detected serologically in a flock which remained free of clinical symptoms. The strain was shown to be tylosin resistant. Serological studies indicated that vertical transmission occurred. |
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