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

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Croydon 1937

[Report of the Medical Officer of Health for Croydon]

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237
These samples were taken as follows —
Samples taken at cowsheds in the Borough ... 25
Samples in course of delivery from country cowsheds
to local dairymen and purveyors of milk
in the Borough 48
Samples taken at dairymen's premises in the
Borough 85
Samples taken in course of delivery by local
dairymen or milk sellers on their rounds in
different parts of the Borough 157
Other samples taken 1
316
Eight samples proved to be tuberculous. Five samples were
from supplies coming from Sussex, one from Surrey, one from
Kent, and one from a local farm. A considerable number of
cows were examined by the Authorities' Veterinary Officers, suspected
animals isolated, and samples taken. As the result of
their investigations two animals were dealt with under the Tuberculosis
Order, 1925, and in one case, while investigations were
being carried out, an outbreak of Foot and Mouth Disease
occurred, necessitating slaughter of the entire herd.
The following Table summarises the results of the bacteriological
examination of ordinary milk samples, taken under the
Milk and Dairies (Consolidation) Act, 1915, from 1st January to
% December. 1937: —

Table XVI.

ORDINARY MILKPresent.Absent.Over 100,000 per m.l.Under 100,000 per m.l.Present.Absent.Present.Absent.Exceeding a trace.Not exceeding a trace.Satisfied.Not Satisfied
Tubercle bacillus8300
Total number of bacteria99209
Blood2306
Pus2306
Detritus309
Methylene Blue Test25724
83009920923062306308*25724

*Methvlene Blue Test Results for period of 11 months.