London's Pulse: Medical Officer of Health reports 1848-1972

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Greenwich 1947

[Report of the Medical Officer of Health for Greenwich Borough]

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64
known as Tuberculin Tested, Accredited and Pasteurised. During
the year the following licences were granted:—
Principal Licences
Distribution of Tuberculin Tested Milk 6
„ ,, Pasteurised Milk 21
Supplementary Licences
Distribution of Tuberculin Tested Milk 9
,, „ Pasteurised Milk 9
Supplementary Licences are granted in cases where licensed
premises are situated outside the District and the Vendor desires
to sell within the Borough.
Heat Treated Milk (Prescribed Tests) Order, 1944.—
The above Order prescribes the technique to be adopted in applying
the Methylene Blue Test and the Phosphatase Test to milk treated
by heat.
Briefly the Methylene Blue Test was instituted to estimate
the souring properties of milk after treatment, and the Phosphatase
Test is the method of ascertaining whether the milk has been
correctly pasteurised.
During the year 69 samples were taken under this Order, and
of these 13 failed the Methylene Blue Test and 3 the Phosphatase
Test.
Particulars of the unsatisfactory samples were forwarded
to the Area Milk Officer of the Ministry of Food.
Bacteriological Examination of Milk.—The arrangements
were continued during the year whereby results of samples taken
at the London County Council Schools, Hospitals, and Nursery
are furnished quarterly to that Authority. In all cases of unsatisfactory
samples reports are sent immediately both to the London
County Council and the Area Milk Officer of the Ministry of Food.
Analytical Examination of Milk.—Fifty-six samples of
milk were examined by the Public Analyst. Two were found to be
adulterated or below the standard fixed by the Ministry of Agriculture
and Fisheries. In one case the infringement was only of a
minor character. A subsequent sample taken proved satisfactory
and no further action was necessary. Legal proceedings were taken
in the remaining case which was dismissed under the Probation of
Offenders Act.