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

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Croydon 1933

[Report of the Medical Officer of Health for Croydon]

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92
There is no standard fixed for total bacteria per c.c. in
ordinary commercial milk, but comparing the results with the
Grade A standard, i.e., 200,000 per c.c., it will be seen that 281
of the samples contained total bacteria in accordance with that
standard. It has to be remembered that a proportion of this
milk has been subjected to commercial pasteurisation.

The 360 samples taken under the Milk and Dairies (Consolidation) Act, 1915, were samples of milk which had produced in the following areas:—

Areas.No. obtained.No. Tuberculous.
Croydon9210
Kent1...
Surrey13
Sussex202
Dorset1...
Somerset44
Unclassified238...
Totals36019

These samples could not be classified owing to the fact that it was mixed
milk of large dairy firms or wholesale purveyors of milk, who obtain
their milk from practically all the areas mentioned in the above table.
FOOD AND DRUGS (ADULTERATION) ACT, 1928.
During the year 433 samples of milk (432 new, 1 condensed)
and 453 other samples were taken.
In 13 instances the vendors were warned.
23 samples of Ice Cream were taken during the year. The
Public Analyst reports that 11 of these samples contained fat in
amounts varying from 2.1% to 9.1%. The remaining twelve contained
fat in amounts varying from 10.0% to 17.8%.
There is no legal standard for fat in Ice Cream. 10 per cent,
is suggested as a reasonable minimum amount. Bearing in mind
this figure, it will be seen that the majority of the samples of Ice
Cream were well above this suggested standard.