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Streptococci and Leucocytes in Milk. I

Published online by Cambridge University Press:  15 May 2009

William G. Savage
William G. Savage
Affiliation:
Medical Officer of Health, Colchester
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The undoubted fact that milk may act as a vehicle for the transmission of a number of diseases has directed considerable attention to the Bacteriological and Public Health aspects of milk. Yet it cannot be said, tuberculosis excepted, that the bacteriological examination of milk has afforded in the past much assistance in the prevention of disease, while only very occasionally has a subsequent examination served to elucidate the cause and origin of a milk-spread epidemic. A survey of the literature of the subject will show that although extensive work has been carried out upon the bacteriology of milk, the subject is so large and many-sided that what is known is but an insignificant proportion of what requires to be ascertained. A great deal of the work done has been in relation to tuberculosis. Almost all the milk examinations have been carried out with mixed milk samples, and not with quite fresh milk from individual cows.

Type
Research Article
Information
Journal of Hygiene , Volume 6 , Issue 2 , April 1906 , pp. 123 - 138
Copyright
Copyright © Cambridge University Press 1906

References

page 123 note 1 Bergey, D. H. (04 1901), “The prevalence of streptococci in cow's milk,” American Medicine, vol. I. p. 122.Google Scholar

page 123 note 2 Conn, H. W. and Esten, W. M. (1904), “Qualitative analysis of Bacteria in market milk,” Rockefeller Institute Reprints, vol. I.Google Scholar

page 126 note 1 Stokes and Wegefarth (1897), “The microscopic examination of milk,” Journ. of State Medicine, vol. V. p. 439.Google Scholar

page 126 note 2 Bergey, D. H. (1904), “Source and nature of bacteria in milk,” Pennsylvania Department of Agriculture Bulletin, No. 125.Google Scholar

page 126 note 3 This is the well-known indifferent solution used in blood enumerations. It does not injure the leucocytes but stains them enough to render them clearly visible. Its composition is methyl violet 0–025 grms., sodium chloride 1 grm., sodium sulphate 8 grms., glycerine 30 c.c., distilled water 160 c.c.

page 133 note 1 Gordon, M. H. (1903–1904), “Characters by which Streptococci and Staphylococci may be differentiated and identified,” Report of Medical Officer Local Government Board, p. 388.Google Scholar

page 136 note 1 Savage, W. G. (10 1905), “Outbreak of Sore throat at Colchester due to infected milk,” Public Health, vol. XVIII. p. 1.CrossRefGoogle Scholar