Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Harrow]
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Throughout the year samples were taken and the following is a
summary of the results obtained:—
Sampling Returns for Year Ending 31st December, 1967 Milk—Bacteriological
Type | Taken | Meth. Blue | Phos. | Turbidity | Milk Ring | Biological | Anti-Biotic | U.H.T. Test | Salmonella | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sat. | U/S | Void | Sal. | U/S | Sat. | U/S | Neg. | Pos. | Neg. | Pos. | Neg. | Pos. | Sat. | UIS | Neg. | Pos. | ||
Raw | 240 | 69 | 26 | 19 | — | 23 | 24 | 5 | 6 | 80 | 36 | |||||||
Pasteurised | 21 | 21 | 21 | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
Channel Island | 18 | 18 | 18 | — | — | |||||||||||||
Homogenised | 10 | 10 | 10 | — | ||||||||||||||
Sterilised | 11 | - | - | - | - | - | 11 | - | - | - | - | - | - | - | - | - | - | - |
Separated Pasteurised | 2 | 2 | — | — | 2 | — | — | - | — | — | — | - | — | — | — | — | — | - |
Separated Sterilsed | 2 | — | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | |
Ultra Heat Treated | 6 | — | — | — | — | — | — | — | - | — | — | - | - | - | 6 | — | - | - |
School | 4 | 4 | - | 5 | - | - | - | - | - | |||||||||
Totals | 314 | 124 | 26 | 19 | 55 | 13 | - | 23 | 24 | 5 | 6 | 80 | - | 6 | 36 | - |