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 Holborn Borough.
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No. 2. Monthly Variation of Chemical Composition of Milk, 1938.
| Month. | Number of Samples examined. | Total Solids. Per cent. average. | Solids Non-fat. Per cent. average. | Fat. Per cent. average. |
|---|---|---|---|---|
| January | ... | ... | ... | ... |
| February | 12 | 12•62 | 9•18 | 3•44 |
| March | 19 | 12•44 | 9•08 | 3•36 |
| April | 24 | 12•06 | 8•83 | 3•23 |
| May | 17 | 12•34 | 9•06 | 3•28 |
| June | 28 | 12•13 | 8•93 | 3•20 |
| July | 18 | 12•25 | 8•90 | 3•35 |
| August | 8 | 12•32 | 8•87 | 3•45 |
| September | 16 | 12•56 | 8•97 | 3•59 |
| October | 19 | 12•63 | 9•00 | 3•63 |
| November | ... | ... | ... | ... |
| December | ... | ... | ... | ... |
| Whole year | 161 | 12•34 | 8•97 | 3•37 |
| Legal minima | ... | 11•50 | 8•50 | 3•00 |
It will be observed that the average composition of the genuine milk supplied to the Borough during the year was fat 3•37 per cent, and non-fatty solids 8•97 per cent. These figures approximate very closely to those of the previous four years, averages of which are tabulated below: —
| Year. | No. of samples examined | Total solids, (average). | Fat. (average). | Non-fatty solids. (average). |
|---|---|---|---|---|
| 1934 | 224 | 12•47 | 3•52 | 8•95 |
| 1935 | 218 | 12•48 | 3•55 | 8•93 |
| 1936 | 132 | 12•49 | 3•50 | 8•99 |
| 1937 | 212 | 12•35 | 3•43 | 8•92 |
| 1938 | 161 | 12•34 | 3•37 | 8•97 |
It is regrettable to notice that the gradual fall of the average fat content in
the genuine samples continues, and whatever may be the causes or causes to
which this can be attributed, it demands the closest attention of all milk
producers with a view to ascertaining the remedial measures which may be taken,
not only to prevent a further reduction, but also to restore the milk supply to
its former quality.