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 Fulham Borough]
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The above Regulations state that where a sample of milk contains less than 3% of milk fat and less than 8.5% of solids not fat, until the contrary is proved the sample shall be deemed to be not genuine. The following table sets out the monthly statement of the number of samples taken, together with the fatty and non-fatty solids contents.
| Month | No, of Samples | Fat | Average % |
|---|---|---|---|
| Non-fatty solids | |||
| January | 4 | 3.72 | 8. 72 |
| February | 15 | 3.54 | 8. 65 |
| March | 9 | 3.51 | 8.61 |
| April | 11 | 3.41 | 8. 53 |
| May | 15 | 3.47 | 8. 64 |
| June | 12 | 3.36 | 8. 65 |
| July | 18 | 3.61 | 8. 68 |
| August | 10 | 3.55 | 8.60 |
| September | 14 | 3.65 | 8. 68 |
| October | 11 | 3.72 | 8.67 |
| November | 16 | 3.85 | 8.74 |
| December | 8 | 3.79 | 8. 63 |
| Monthly Average | 3.60 | 8.65 |
In the early part of the year there was a deficiency in the amount of solids
not - fat present in a high proportion of samples taken from a local producer retailer.
Attendance at the point of production, coupled with process sampling during treatment,
and greater care on the part of those concerned in the handling of the milk, resulted
in a return to normal standards.
These Regulations prohibit the sale for human consumption of milk described as "Channel Islands" or "Jersey" or "Guernsey" or "South Devon" if it contains less than 4% milk fat. The following table shows the details of samples taken.
| No. of samples | Average % | |||
|---|---|---|---|---|
| Pat | Non fatty solids | |||
| 16 | 4.43 | 8.38 | ||
In no case did a sample fall below the minimum of 4% milk fat.
The following table gives details of samples taken under these Regulations:-
| Grade of Milk | No. of Samples tested | Phosphatase test | Methylene test | Turbidity test | ||||
|---|---|---|---|---|---|---|---|---|
| Passed | Failed | Passed | Failed | Void | Passed | Failed | ||
| Pasteurised | 82 | 82 | - | 82 | - | - | - | - |
| Tuberculin Tested (Pasteurised) | 28 | 28 | - | 28 | - | - | - | - |
| Sterilised | 19 | - | - | - | - | - | 19 | - |