Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Croydon]
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These 177 Pasteurised Milk samples contain bacteria per M.1.
as follows:-
Under 1,000 6
1,000 - 5,000 18
5S 000 - 10 ,000 24
10,000 - 20.000 26
20 ,000 - 30,000 18
30,000 - 50,000 19
50,000 - 100,000 24
Over 100,000 42
177
Under the Regulations, Pasteurised Milk must not contain more than
100,000 bacteria per millilitre.
Provision as to Milk Supply.
During the year 152 samples of ordinary milk were procured and
submitted to examination for tuberculosis in accordance with the Milk
and Dairies (Consolidation)Act, 1915.
These samples were taken as follows:-
Samples taken at cowsheds in the Borough 12
Samples in course of delivery from
country cowsheds to local dairymen and
purveyors of milk in the Borough. 11
Samples taken at dairyman's premises
in the Borough 41
Samples taken in course of delivery by
local dairymen or milk sellers on their
rounds in different parts of the Borough 88
152
One sample proved to be tuberculous.
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 - 31st December, 1941.
Present | Absent | Over 1100,000 per M.1. | Under 100,000 per M.1. : | Present | Absent | Present | Absent | Exceeding a trace | Not exceeding a trace | Satisfied | Not satisfied. | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tubercle bacillus | 1 | 151 | - | - | - | - | - | - | - | - | - | - |
Total number of bacteria | - | - | 51 | 101 | - | - | - | - | - | - | - | - |
Blood | - | - | - | - | - | 152 | - | - | - | - | - | - |
Pus | - | - | - | - | - | - | - | 152 | - | - | - | - |
Detritus | - | - | - | - | - | - | - | - | - | 152 | - | - |
Methylene Blue Test | - | - | - | - | - | - | - | - | - | - | 120 | 32 |
1 | 151 | 51 | 101 | - | 152 | - | 152 | - | 152 | 120 | 32 |