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

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Harrow 1939

[Report of the Medical Officer of Health for Harrow]

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27
the applicants appealed to the Minister of Health against the
refusal of the Council to grant the licence. After the holding of a
local inquiry, however, the Council's decision was upheld and the
licence refused.
Milk Sampling.
Of the 44 samples of pasteurized milk submitted to the
phosphatase test, only one sample, that of a milk treated outside
this district, proved to be unsatisfactory.
Of 44 samples of tuberculin-tested milk, 14 were unsatisfactory,
in each case the milk being produced outside the district.
22 samples of ordinary milk produced on farms in this area
were analysed. Of 10 which proved unsatisfactory, 8 had B. Coli
present in 1 /100th of a c.c. and 7 had more than 100,000 organisms
per c.c. Of two samples of accredited milk one failed to satisfy
the methylene blue test.
(B) MEAT AND OTHER FOOD.
Meat Inspection.
There are eight licensed but no registered slaughter-houses in
the district. These premises are kept under observation, 737 visits
being paid during the year and 5,360 carcases examined.
'Of the 413 beasts slaughtered, 121 were unsound in some
respect, the liver or lungs being affected in 49 instances of which
39 were by parasitic disease. Tuberculous lesions were found in
the lungs of 58, the mesenteric fat of 16, the liver of 18, the head
of 24, and the tongue of 10 (commonly more than one site being
affected in the same animal).
Of the 160 cattle (excluding cows) slaughtered, 24, or 15 per
cent., were unsound in some respect other than tuberculosis. The
percentage affected with tuberculosis was 1T2.
Of the 253 cows slaughtered, 26, or 10*3 per cent., were
unsound by reason of some condition other than tuberculosis.
Tuberculosis was found in 53, or 21 per cent. Two entire carcases
were condemned on account of this disease.
Some part of 133 of the 2,043 pigs slaughtered was diseased,
more than one organ of the same animal frequently being affected.
The entire carcase in 12 cases was condemned on account of
emaciation or immaturity, in 4 instances on account of pneumonia
and in 3 because of swine fever. Pneumonia was present in 22
cases, pleurisy in 7, pericarditis in 6, lesions of the liver 17 (parasitic
disease 8, cirrhosis 9), and other lesions in 3. Tuberculosis was
found in the entire carcase of 3, in the mesenteric fat of 26, in the
head of 44, in the lungs of 14, and in the liver of 20.
Of the 2,508 sheep slaughtered only 21 were found unsound
in any respect. The commonest abnormal states were parasitic
diseases affecting the liver of 18 and the lungs of 19.
The following table gives particulars of the numbers of animals
slaughtered and the incidence of disease:—