London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Croydon 1940
[Report of the Medical Officer of Health for Croydon]
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The following tables summarise the result of the bacteriological examinations of Tuberculin Tested, Accredited and Pasteurised samples during the year;-
| TUBERCULIN TESTED (Licences granted under the Milk(Special Designations) Order 1936. | Present. | Absent | Present in 1/100 m.l. | Absent. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. | Satisfied test. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus | 3 | ||||||||||
| Bacillus Colli | 3 | ||||||||||
| Blood | 3 | ||||||||||
| Pus | 3 | ||||||||||
| Detritus | 3 | ||||||||||
| Methylene Blue Test | 3 | ||||||||||
| Total. | 3 | 3 | 3 | 3 | 3 | 3 |
The above 3 Tuberculin Posted milk samples contained total
bacteria par m.l. as follows
Under 5,000 1
Over ,, 2
Under the Regulations Tuberculin Tested Milk shall satisfy
a methylene blue reduction test and contain no coliform bacillus in
one hundredth of a millilitre.
The following tables summarise the results of the bacteriological examinations of Pasteurised Milk Samples during the year:-
PASTEURISED MILK (Licences granted under
the milk (Special Designations)
Order 193
| Present. | Absent. | Over 100,000 per m.l. | Under 100,000 per m.l. | Present. | Absent. | Present. | Absent. | Present. | Absent. | |
|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus. | 164 | |||||||||
| Total number of bacteria | 3 | 161 | ||||||||
| Blood. | 164 | |||||||||
| Pup. | 164 | |||||||||
| Detritus. | 164 | |||||||||
| 164 | 3 | 161 | 164 | 164 | 164 |