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

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Battersea 1956

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

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32
Milk.
One hundred formal samples of milk were taken during the year.
Of the 100 samples, 26 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 4.44 per cent.
Non-fatty solids 9.11 „
Total milk solids 13.55 „
The milk fat content of the 26 samples of "Channel Island"
or " South Devon " milk ranged as under:—
Between 4.8 and 4.9 per cent. 1 sample.
„ 4.7 „ 4.8 „ 2 samples
„ 4.6 „ 4.7 „ 2 „
„ 4.5 „ 4.6 „ 4 „
„ 4.4 „ 4.5 „ 6 „
,, 4.3 „ 4.4 „ 3 „
„ 4.2 „ 4.3 „ 5 „
„ 4.1 „ 4.2 „ 2 „
„ 4.0 „ 4.1 „ 1 sample.
26
All the 74 samples of ordinary milk were reported as genuine
and their average composition was as follows:—
Milk fat 3.61 per cent.
Non-fatty solids 8.77
Total milk solids 12.38
Their content of milk fat ranged as follows:—
Between 3.9 and 4.0 per cent. 8 samples or 10.81 per cent.
„ 3.8 „ 3.9 „ 12 „ „ 16.22 „
„ 3.7 „ 3.8 „ 13 „ „ 17.57 „
„ 3.6 „ 3.7 „ 10 „ „ 13.51 „
„ 3.5 „ 3.6 „ 8 „ „ 10.81 „
„ 3.4 „ 3.5 „ 12 „ „ 16.22 „
3.3 „ 3.4 „ 8 „ „ 10.81 „
„ 3.2 „ 3.3 „ 3 „ „ 4.05 „
74 100.00

In the five years 1951-5 and in 1956 the percentage of adulterated samples of milk was as under:—

YearSamples takenAdulterated
No.Percentage
195142810.2
195210100.0
195310011.0
195410066.0
195510033.0
195610000.0