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Department of Animal Industry, University of Arkansas, Fayetteville, Arkansas
ABSTRACT
An outbreak of a medicinal flavor in bottled milk was encountered by a small pasteurizing plant during warm weather of late spring and resulted in the return of considerable defective milk. The flavor was very intense and evidently of bacterial origin.
Aerobacter aerogenes, isolated from defective samples, readily reproduced the typical defect in pasteurized and sterilized milk and was considered to be responsible for the outbreak.
Hand-washed bottles were found to be the immediate source of the organisms in the milk and improved sanitary procedures in bottle cleaning effectively controlled the defect.
* Research paper No. 768, Journal Series, University of Arkansas. Published with the approval of the director of the Arkansas Agricultural Experiment Station.
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