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St Pancras 1906

[Report of the Medical Officer of Health for St. Pancras, London, Borough of]

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117
Further Report of the Medical Officer of Health upon " Nursery Milk,"
12th December, 1906.
On the 3rd October last, when your Committee considered the Report
dated 12th September upon the samples of " Nursery Milk " which it hud been
decided to take for bacteriological examination, it was resolved by your
Committee that eight further samples should be taken, two in each of four
cowsheds in St. Pancras, with the object of ascertaining the condition of milk
drawn without precautions, and of milk drawn with reasonable precautions, to
secure cleanliness, so that some basis for a practical standard of cleanliness
could be obtained.
With this object in view the four best cowsheds ot the nine existing cowsheds
in St. Pancras were selected and lettered A, B, C, and I).
On the 9th October, four samples of milk were taken from cows in these four
cowsheds under existing conditions, that is to say, at the usual milking time,
the milker was asked to draw half-a-pint of milk directly from the teats into a
sterilised bottle handed to him by the Inspector, after two or three strains had
been drawn from the teat on to the ground so as to get rid of any organisms
ill the outlet or ducts of the teat, the milking being done in the ordinary way
in the stall in the cowshed. When the four samples had been collected in
sterilised bottles, which were immediately packed in an ice jacketed receptacle,
they were taken straight away to the laboratory and the bacteriological
examination immediately commenced. The result of this examination was as
fellows: —

Cowshed Milks—First Series. October 8th, 1906.

Cowshed.Volume of apparent filth per million.Nature of filth.The degree of acidity per cent.Number of living micro-orgamams per c. c. on gelatine at 20 deg. c.
A10A few pus corpuscles, neither streptococci nor tubercle bacilli could be detected..2682,361,360,000
B30Neither tubercle bacilli, streptococci, nor pus cells could be detected..3084,661,280,000
C5Neither tubercle bacilli, streptococci, nor pus cells could be detected..2706,192,330,000
D1Neither tubercle bacilli, streptococci, nor pus cells could be detected..2325,012,000,000