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

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Battersea 1960

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

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41
General bacteriological examination, and the examination of
samples of heat-treated milk and of ice-cream, is carried out by the
Public Health Laboratory Service.
The total number of formal samples taken under the Act during
1960 was 256, of which 5, or 1.9 per cent., were certified to be
Adulterated. In addition, 190 informal samples were procured, of which
1, or 0.5 per cent., was certified to be adulterated.
The percentages of samples reported by the Public Analyst to
be adulterated during the quinquennia 1921 to 1960 are given in the
following table. The year under review is shown separately.
Year
Formal samples
(per cent.)
Informal samples
(per cent.)
Mean 1921—1925 6.4 7.4
„ 1926—1930 3.3 2.4
„ 1931—1935 1.8 2.1
„ 1936—1940 0.9 0.9
„ 1941—1945 1.4 1.1
„ 1946—1950 1.0 1.1
„ 1951—1955 2.1 2.2
„ 1956—1960 1.1 0.9
1960 1.9 0.5
Milk.
One hundred formal samples of milk were taken during the year.
Of the 100 samples, 27 were designated as " Channel Islands "
or "South Devon" milk, for which a higher minimum percentage
(viz., 4 per cent.) of milk fat content is provided for under arrangements
made between the producers and the Ministry of Agriculture, Fisheries
and Food. All of these samples were reported to be in conformity
with this standard, their average composition being:—
Milk fat 4.42 per cent.
Non-fatty solids 9.00
Total milk solids 13.42

The milk fat content of the 27 samples of "Channel Islands" or "South Devon" milk ranged as under:—

between 4.7 and 4.8 per cent.2 samples.
„ 4.6 „ 4.7 „3 „
„ 4.5 „ 4.6 „6 „
„ 4.4 „ 4.5 „5 „
„ 4.3 „ 4.4 „7 „
„ 4.2 „ 4.3 „1 sample.
„ 4.1 „ 4.2 „2 samples.
„ 4.0 „ 4.1 „1 sample.
27