Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for London, City of ]
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CORPORATION OF LONDON.
Summary 2.
PERIODICAL MAINTENANCE TREATMENT FOR THE DESTRUCTION OF RATS IN SEWERS, MARCH, 1952.
Summary of Result of Direct Poisoning by " 1080," Sodium Fluoroacetate.
Four Treatments at Quarterly Intervals, May, 1951—March, 1952.
May, 1951. | Sept., 1951. | Dec., 1951. | March, 1952. | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sector | Entrances Baited | Poison Takes | No Takes | Entrances Baited | Poison Takes | No Takes | Entrances Baited | Poison Takes | No Takes | Entrances Baited | Poison Takes | No Takes | ||||||||||||||||
Full | ¾ | ½ | ¼ | Total | Full | ¾ | ½ | ¼ | Total | Full | ¾ | ½ | ¼ | Total | Full | ¾ | ½ | ¼ | Total | |||||||||
1 | 47 | 3 | 3 | 20 | 26 | 21 | 46 | 2 | 19 | 21 | 25 | 47 | 5 | 5 | 42 | 47 | 47 | |||||||||||
2 | 46 | 2 | 2 | 15 | 19 | 27 | 44 | 3 | 13 | 16 | 28 | 46 | 26 | 26 | 20 | 44 | 11 | 11 | 33 | |||||||||
3 | 42 | 1 | 2 | 7 | 10 | 32 | 39 | 4 | 11 | 15 | 24 | 40 | 1 | 4 | 8 | 13 | 27 | 40 | 2 | 1 | 8 | 11 | 29 | |||||
4 | 42 | 3 | 8 | 16 | 27 | 15 | 42 | 1 | 5 | 17 | 23 | 19 | 40 | 3 | 3 | 37 | 42 | 1 | 1 | 41 | ||||||||
5 | 41 | 3 | 1 | 10 | 14 | 27 | 40 | 2 | 5 | 10 | 17 | 23 | 39 | 1 | 1 | 2 | 9 | 13 | 26 | 40 | 3 | 11 | 14 | 26 | ||||
6 | 44 | 3 | 3 | 18 | 24 | 20 | 41 | 3 | 1 | 23 | 27 | 14 | 43 | 1 | 14 | 15 | 28 | 39 | 1 | 1 | 2 | 4 | 35 | |||||
7 | 44 | 1 | 13 | 17 | 30 | 14 | 41 | 5 | 18 | 23 | 18 | 41 | 14 | 14 | 27 | 44 | 1 | 11 | 12 | 32 | ||||||||
306 | 3 | 12 | 32 | 103 | 150 | 156 | 293 | 6 | 25 | 111 | 142 | 151 | 296 | 1 | 2 | 7 | 79 | 89 | 207 | 296 | 1 | 2 | 6 | 44 | 53 | 243 |
Weather.
May, 1951 Fine and Dry.
Sept., 1951 Slight Showers.
Dec., 1951 Fine and Dry.
March, 1952 Fine and Dry.
Bait Base, Sausage Busk.
Poison Content 1 per cent.
Baits 4 ozs. each.
Bodies found, 121.