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 1936
[Report of the Medical Officer of Health for Croydon]
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235
Accredited Milk—
Licensed local producer supplying milk to a
licensed dairyman 7
Pasteurised Milk—
Samples from licensed dealers 105
The following tables summarise the result of the bacteriological
examinations of Tuberculin Tested, Accredited and
Pasteurised samples, from 1st June to 31st December, 1936 : —
Table XVI.
| Tuberculin TESTED (Licences granted under the Milk (Special Designations) Order, 1936). | Present. | Absent. | Over 200,000 per m.l. | Under 200,000 per m.l. | Present in 1/100 m.l. | Absent. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus | ... | 9 | ||||||||||
| Total number of bacteria | 1 | 8 | ||||||||||
| Bacillus Coli | 3 | 6 | ||||||||||
| Blood | ... | 9 | ||||||||||
| Pus | ... | 9 | ||||||||||
| Detritus | ... | 9 | ||||||||||
| ... | 9 | 1 | 8 | 3 | 6 | ... | 9 | ... | 9 | ... | 9 |
The above 9 Tuberculin Tested milk samples contained total
bacteria per m.l. as follows: —
0—1,000 1
1,000—5,000 3
5,000—10,000 1
10,000—20,000 2
150,000—200,000 1
Over 200,000 1
9
Under the Regulations Accredited Milk must not contain
more than 200,000 bacteria per m.l.