Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Annual report of the Medical Officer of Health of the Borough of Hammersmith for the year 1923
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not of a permanent character it will be sufficient for the cow
to be isolated (the fact being reported to the Licensing
Authority), but in the case of a disease whose injurious effect
on the milk is likely to be of a permanent character the cow
must as before be removed from the herd. Further, to meet
difficulties which have arisen as to the economical disposal of
dry cows, the provision as to separation of the herd has been
altered so as to require only the cows in milk belonging to the
herd to be kept sepaarte from all other cows in milk. But in
this connection it should be noted that as in the case of the
previous Orders, the licensee must take such measures as the
Licensing Authority may require to ensure that "Grade A"
milk is kept separate at all stages from all other milk.
The following alterations have been made in the conditions
applying to " Pasteurised " milk :—
(1) The bacteriological condition has been relaxed so as
to remove the test for coliform bacillus and to provide
that the number of bacteria shall not exceed 100,000
per c.c. Until the end of the present year this limit is
further increased to 200,000 bacteria per c.c. But
the bacteriological test for milk sold as " Grade A
Milk Pasteurised " will remain as provided in previous
Orders.
(2) The day of pasteurisation is not required to be shewn
on the labels of vessels containing the milk.
(3) The period during which the milk may be treated by
a suitable heating process other than that specified
in the Order (provided the other conditions are
satisfied) is extended till the end of the present year.
A number of minor alterations have also been made with
a view to removing doubts which had been raised as to the
proper interpretation of the former Orders.