London's Pulse: Medical Officer of Health reports 1848-1972

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Barnet 1963

[Report of the Medical Officer of Health for Barnet Urban District Council]

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(28)

RODENT CONTROL.

Type of Property
Local AuthorityDwelling HousesAgriculturalAll other (including Business Premises)Total
Number of Properties inspected as a result of: -(a) Notification6125435170
(b) Survey under the Act2118856184
(c) Otherwise13-1014
Total inspections carried out including re-inspections26734222701,052
Number of properties found to be infested by:-
(a) RatsMao or ...1-113
.Minoro 884617115
(b) House MiceMajor-112
Minor-61"72133
Number of properties treated by the Local Authority9146426185
Total treatments carried out including re-treatments11163531210
Number of "Block" control schemes carried out-14

A test bait is made of 10^5 of the soil sewer manholes in the district, from
the results of which are based the two maintenance treatments of the sewers during
the year.
The test bait in April resulted in twenty-two "takes" of bait out of a total
of ninety-three manholes tested, although heavy rainfall during the period of the
test bait confused the result by water splashing or washing away the bait.
Following this up in May, sixty-seven manholes were baited; "takes" were recorded
in fifteen and these were poison baited. The result of the second maintenance
treatment carried out in November showed thirteen "takes" out of a total of
thirty-nine manholes baited.
No charge is made for the use of the Rodent Operator's services in treating