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12
RODENT CONTROL.
Rats and Mice (Destruction) Act, 1919.
Infestation Order, 1943.
Rats.—The degree of rat infestation in the Borough has
shown a decrease, doubtless due to the special campaigns
carried out during the previous years and the routine baiting
of sewers and other fertile breeding grounds.
The infestations reported or discovered during the year
were all found to be " common " or " sewer " rats. Fortunately
the Borough appears free of "ship" ("black"')
rats, but infestation from outside sources is always a possibility.
In view of the high breeding rate of both species, continual
measures are necessary to prevent a rise in the rat population
and to guard against re-infestation of premises.
All complaints of rats are investigated by a Sanitary
Inspector, and efforts are made to trace the source of
infestation.
Baiting is still the most effective way of destroying rats
in occupied buildings, and is carried out by the Council's
operatives free of charge to private householders. Baiting
is also carried out in business premises, and the cost of the
work charged to the occupier.
Mice.—The most serious mice infestations arise in certain
types of business premises, particularly those where food
supplies are available. Complete extermination in these
cases is very difficult; re-infestation is always likely, and
arrangements have been made in one or two instances for the
Council's operatives to make periodical visits to keep a check
on the position, and lay baits as required. The expenses thus
incurred are recovered from the occupier.
Where complaints of mice infestation are received from
occupiers of dwelling houses, assistance is given by loaning
traps or laying baits. As in the case of rat infestation, no
charge is made for this service. If the infestation is due to
the occupier's neglect, a notice is served by the Sanitary
Inspector.
General.—The Council's rodent staff comprises two operatives.
They work under the supervision of one of the
Sanitary Inspectors. All baiting is carried out in accordance