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During the year maintenance treatments of the sewers took place by the
Borough Engineer's Department, and I am indebted to the Borough Engineer
for the following report:—
RAT DESTRUCTION IN SEWERS
The 19th maintenance treatment of sewers was completed in July, showing
the following results:—
No. of manholes baited 766
No. of prebait takes 380
No. of poison takes 362
The percentage of prebait takes to the number of manholes baited is
50%.
Previous percentages average at 54% and the inference drawn is that the
rat population seems to be fairly static.
During the 18th treatment—an experiment in warfarin baiting of sewers
was made in a number of manholes—in conjunction with the Ministry of
Agriculture and Fisheries, but the results were not very favourable as compared
with normal treatments.
Warfarin baiting has been carried out in the Birkenhead district and
was claimed to be very satisfactory.
The Ministry has now given an indication that further large scale experimenting
throughout the country is likely to be put in hand at an early date.
Middlesex County Council Act, 1950, Section II.
Section II of this Act, which relates to Hawkers of Food and their
Premises, came into operation on the 1st of April, 1951.
Two persons and premises were registered during the year. No persons
were registered to trade in the Borough where storage premises are located
in other districts.
There were 128 hawkers on the Register at the end of 1955.
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