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BACTERIOLOGICAL EXAMINATIONS
During 1957, samples submitted for bacteriological examination
totalled 59 (apart from ice cream samples, dealt with separately
below). All 59 Samples were found to be satisfactory, the details
of which are as follows:-
Article
Prawns 1
Mussels 1
Milk
Pasteurised 22
Tuberculin tested 3
Sterilised 1 26
Water 31
59.
Ice Cream
62 samples of Ice Cream were submitted to the Public Health Laboratory
Service and tested by the Methylene Blue method. Results were as follows:-
Grade I
29
Grade II
19
Grade III
8
Grade IV
6
62
Grade
1955
1956
1957
No. of
Samples
% of
Total
No. of
Samples
% of
Total
No. of
Samples
% of
Total.
I 3 37.5 23 28.8 29 47
II 3 37.5 29 36.2 19 30
III 1 12.5 13 16.2 8 13
IV 1 12.5 15 18.8 6 10
TOTALS 8 100.0 80 100.0 62 100.0
There has been a marked increase in the percentage of samples
returned as Grades I and II as compared with 1956.