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
Battersea 1952
[Report of the Medical Officer of Health for Battersea Borough]
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39
Milk.
101 samples of milk were taken during the year, of which 100
w ere formal samples, and one sample taken informally.
Of the 101 samples, 16 were designated as "Channel Islands" or
"South Devon" milk, for which a higher minimum percentage (viz.
4 per cent.) of milk fat content is provided for under arrangements made
between the producers and the Ministry of Food.
The average composition of these 16 samples of milk reported as genuine proved to be as under:—
| Total milk solids | 13.65 per cent. |
| Milk fat | 4.49 |
| Non-fatty solids | 9.16 „ |
Of the remaining 85 samples, all were reported as genuine, the average composition of these samples being as under:—
| Total milk solids | 12.52 per cent. |
| Milk fat | 3.74 |
| Non-fatty solids | 8.78 |
The Analyst reports that the content of milk fat in these 85 samples ranged as follows:—
| 4 per cent, and over | 10 samples or 11.8 per cent. |
|---|---|
| Between 3.9 and 4.0 per cent. | 10 „ „ 11.8 |
| 3.8 „ 3.9 „ | 12 „ „ 14.1 |
| 3.7 „ 3.8 „ | 22 „ „ 25.9 |
| 3.6 „ 3.7 „ | 10 „ „ 11.8 |
| 3.5 „ 3.6 „ | 12 „ „ 14.1 |
| 3.4 „ 3.5 | 7 „ „ 8.1 |
| 3.3 „ 3.4 „ | 1 sample „ 1.2 |
| 3.2 „ 3.3 „ | 1 „ „ 1.2 |
| 3.2 „ 3.3 „ | „ „ „ |
| „ 3.0 „ 3.1 „ | — „ „ — |
| 85 | 100.0 |
The milk fat content of the 16 samples of " Channel Island " or "South Devon" milk ranges as under:—
| Between 4.7 and 4.8 per cent. | 4 samples |
|---|---|
| „ 4.6 „ 4.7 „ | 3 „ |
| 4.5 „ 4.6 | 3 „ |
| 4.4 „ 4.5 | 2 „ |
| „ 4.3 „ 4.4 „ | — |
| 4.2 „ 4.3 „ | 3 „ |
| 4.1 „ 4.2 „ | 1 sample |
| 16 | |