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In addition to the numbers of samples shown under "sampling" 105
samples of Special Designated milk were taken under the Regulations from
milk distributors milk processing depots hospitals schools and day nurseries.
These samples were submitted for the phosphatase methylene blue
and turbidity tests the results of which are set out below:-
Class of Milk
No
Tested
Phosphatase
Test
Methylene
Blue Test
Turbidity Test
Passed
Fai1ed
Passed
Failed
Passed
Failed
Pasteurised 60 60 - 60 - - - -
T. T.
Pasteurised 16 16 - 16 - -
Tuberculin
Tested 12 - - 12- - -
Sterilised 17- - - - 17 -
Total 105 76 - 88 - 17 -
Three samples of Tuberculin Tested "raw" milk were submitted for biological
testing for the presence of tubercle bacilli The test is made by
injecting a preparation of the milk to be tested into a guinea pig. In each
case a negative report was received.
At the two large milk processing depots in the borough checks are
made on the cleanliness and bacteriological condition of milk bottles and
milk churns which pass through the washing plants before filling Eight
samples submitted to the Council's bacteriologist for examination were reported
satisfactory.
Public Health (Condensed Milk) Regulations 1923/1948.
These Regulations provide standards for milk fat and milk solids of
condensed milk and control the labelling of tins and other receptacles
During the year 13 samples were submitted for examination by the Public
analyst and were reported genuine.
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