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

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Croydon 1924

[Report of the Medical Officer of Health for Croydon]

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84
Samples taken in course of delivery by local
dairymen or milk sellers on their rounds
in different parts of the Borough 27
Other samples taken 2
84
Of the 79 primary samples 1 was found to be tuberculous.
This sample had been obtained from a local cowkeeper in the
Borough and was the mixed milk of the 7 cows in his cowshed. A
further visit was paid accompanied by the Borough Veterinary
Surgeon, and 5 samples were taken (four of separate cows and one
of mixed milk of the remaining cows). These five samples were
examined and the sample of a Jersey cow at this shed was reported
tuberculous. This cow was subsequently slaughtered and found
to be affected with abdominal tuberculosis.
The remaining positive result was the milk delivered by a
wholesale purveyor of milk exactly as received by him from a
country farmer. In this case the Authorities of the district (in
Somerset) where the milk was produced were communicated with
and investigations are proceeding (January, 1925).

The following table summaries the result of these bacteriological examinations of milk samples taken under the Croydon Corporation Act, 1900, from 1st January to 31st December, 1924:—

Present.Absent.Over 200,000 per c.o.Under 200,000 per c.c.Present in 100 c.c.Absent from 100 o.o.Present.Absent.Present.Absent.Exceeding a trace.Not exceeding a trace.
Tubercle bacillus381
Total No. of bacteria876
Bacillus Coli3747
Blood84
Pus480
Detritus678
848484848484