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[in Japanese]

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B. abortus equi can be separated from the various members of the paratyphoid-enteritidis group as a special bacillus and is perhaps the only organism causing abortion in mares.

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From the abscess of the hen's feet a coryne-bacillus was isolated and necrosis was experimentally produced by inocultation of its pure culture into the soft structure of chicken soles.
This bacillus may be considered as a cause of the avian disease mentioned above.
Before closing, I wish to express my indebtedness to Dr. N. Nakamura for his helpful suggestions and advice.

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