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32
Baiting of Sewers.
Rodent repression work was also caried out in the Council's sewers, and the
Borough Engineer and Surveyor has kindly supplied nie with the undermentioned information
of the treatment carried out during the year. The normal procedure is for
two treatments to be carried out; treatment No. 1 being the usage of sausage rusk plus
2\% zinc phosphide, followed after a month's interval by treatment No. 2 with bread mash
plus 10% arsenious oxide. The No. 2 treatment which would have fallen to be done
at the end of July was not carried out owing to experiments in sewer maintenance treatments
which were undertaken in the Council's sewer system by the Ministry of Agriculture
and Fisheries Infestation Control Division.
DETAILS.
DATE OF TREATMENT.
2'2nd to 29th
January, 1951.
19th to 26th
February, 195l
27th June to
3rd July, 1951
Treatment Treatment Treatment
No. 1 No. 2 No. 1
1. Total number of baiting points in foul and
connected systems 379 380 377
2. Bait base and poison used Sausage rusk Bread mash Sausage rusk
and zinc and arsenious and zinc
phosphide oxide phoshpide
3. No. of manholes baited 371 368 367
4. No. of manholes showing prebait takes 323 311 339
5. No. of manholes showing complete prebait
take (on one or both days) 217 186 252
6. Schemes of baiting used Two prebaits—One poison bait
7. No. of bodies found 85 48 87
Disinfecting Station.
Disinfection.
Number of rooms disinfected after tuberculosis
35
,, ,, ,, ,, ,,scabies
1
„ „ „ „ „ other infectious diseases
74
Total number of rooms disinfected after infectious disease
110
Number of articles of bedding and clothing disinfected after tuberculosis
274
Number of articles of bedding and clothing disinfected after scabies
29
Number of articles of bedding and clothing disinfected after other infectious
diseases
833
Total number of articles disinfected after infectious disease
1,136
Number of books disinfected after infectious disease
103
,, ,, toys ,, ,, ,, ,,
16