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(17)
ICE CREAM.
All samples of ice-cream are taken to the Central Public Health
Laboratory Colindale, for testing by the Methylene Blue Test. This
is merely indicative and provides no legal standard: the Public Health
Laboratory Service suggest that owing to the numerous factors governing
the hygienic quality of ice-cream it is unwise to pay too much attention
to the bacteriological results on any single sample, judgement being
based rather on a series of samples. It is suggested as desirable
that at least 50% should fall into Grade I, 80% into Grades I or II,
not more than 20% into Grade III and none into Grade IV.
There is one company registered for the manufacture of ice-cream
and the following table gives the results of samples taken from the
factory.
Grade I 87 (73.7$
Grade II 20 (90.7% - Grades I and II)
Grade III 8 ( 6.8$
Grade IV 3 ( 2.5$
With the exception of the three samples in Grade IV, the percentages
in the other three grades bear favourable comparison with the recommendations
set out above.
The low gradings probably reflect the disruption caused by building
works in progress and the change over to new plant, although there is no
real reason why the standard should not be consistently high.
There are also forty-seven premises registered for the storage and
sale of ice cream, three more than last year.
DAIRIES. COWSHEDS AND MILKSHOPS.
The control of the production of milk is vested in the Ministry of
Agriculture Fisheries and Pood.
The local authority is responsible for the inspection and
registration of milk distributors and other dairy premises not directly
concerned with the actual production of milk, and for licensing for the
sale of Designated Milks.