A new species of micro-organism (Proteus melanovogenes) causing black rot in eggs

Abstract
1. An organism is described as a specific cause of black rot in two consignments of hens' eggs imported into England.2. It produces the rot experimentally when inoculated into fresh eggs, and penetrates apparently normal egg shells.3. Four hens inoculated with the organisms laid eggs that failed to develop the specific rot. The number of hens used was small, and no definite conclusion about the mode of infection can be drawn from the result of this experiment.4. The organism is found in English soils and manures.5. Eleven of 100 English hen sera agglutinated the organism in dilutions of 1 in 80 to 1 in 320.6. The organism is provisionally placed in the Proteus group, and the name Proteus melanovogenes is assigned to it.

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