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 Sutton and Cheam]
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It is the practice immediately to notify failures of farm
bottled milk to the dairy company concerned so that the matter
may be taken up with the responsible producers as speedily as
possible.
To comply with the Milk (Special Designation)( Pasteurised)
and sterilised Milk) Regulations, Tuberculin Tested (Pasteurised
and Pasteurised Milk must not give a reading of more that 2.3
Lovibond blue units in the phosphatase test and must not
decolourise methylene blue in 30 minutes.
Of the total samples examined under these Regulations one
sample of Tuberculin Tested (Pasteurised) Milk failed the test
and decolourised methylene blue in 10 minutes. A repeat sample
proved satisfactory.
CHEMICAL ANALYSIS OF MILK AND CREAM SAMPLES
MILK
Thirty six formal and seven informal samples of milk were
taken for chemical analysis.
The samples contained satisfactory averages of 3.6% milk
fat and 8.7% milk solids other than fat, with the exception of
one sample of "Warm Milk" which contained 2.3% milk fat instead
of 3%.
Excluding the exception the results are above the minimum
standard of 3% milk fat and 8.5% milk solids other than fat laid
down in The Sale of Milk Regulations.
CREAM
Analysis of the four informal samples of cream showed the
double cream samples to contain a satisfactory average of 50%
milk fat and the single cream 24.5% milk fat.
The minimum standards in relation to cream are as follows:double
cream - not less that 48% by weight of milk fat, and
other creams described as single cream, pouring cream, coffee
cream, fruit cream, or as any other description of cream, not
less than 18% by weight of milk fat.
BIOLOGICAL MILK SAMPLES (FARM BOTTLED MILK)
Seven samples of Tuberculin Tested Milk were taken for
biological examination with negative results
ICE CREAM
ice Cream (Heat Treatment etc.) Regulations 1947-1952
RegIstratIons. At the end of 1956 a total of one hundred
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