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34
been found to be nothing more nor less than veritable manure heaps, the
breeding ground of countless flies and other more noxious insects, the dead
and dying bodies of which may often be found floating on the surface of the
milk.
With the knowledge now available of the habits of the fly, this condition
alone is a most dangerous source of milk infection, and the average housewife
would be well advised to exercise greater care in this direction.
Again, the water supply on many farms is of doubtful purity.
During the past few years extraordinary progress has been made in the
study of human and bovine tuberculosis, and the position taken by Professor
Koch in 1901, that bovine tuberculosis is a negligeable factor in the causation
of human tuberculosis is no longer tenable. Indeed, the Royal Commission,
in its third interim report issued in January, 1909, and to which I have
referred to in my last annual report, showed that it was not sufficient for a
farmer to ascertain merely whether a cow is suffering from tuberculosis
of the udder, but that no cow can be considered free from danger unless it passes
the Tuberculin test.
Concurrently with the bacteriological examination of these samples, duplicates
were taken and submitted to the Public Analyst for chemical analysis,
who reported as follows:—
Sample received.
No. of
Sample.
Result of Analysis.
Nature and amount
of Adulteration, &c.
Remarks.
Fat.
Solids
(not fat).
Total
Solids.
1910.
June 1st
1
3.35
8.81
12.16
...
Boric acid and formalin absent
June 1st
2
3.27
8.67
11.94
...
„ „
June 1st
3
3.38
8.70
12.08
...
„ „
June 1st
4
3.24
8.66
11.90
...
„ „
June 1st
5
3.23
8.79
12.02
• ••
„ „
June 1st
6
3.80
8.90
12.70
...
„ „
June 3rd
7
3.18
8.88
12.06
„ „
June 3rd
8
3.13
8.85
11.98
...
„ „
June 3rd
9
3.01
8.57
11.58
...
„ „
June 3rd
10
3.12
8.98
12.10
...
„ „
June 3rd
11
8.14
8.86
12.00
...
„ „
June 3rd
12
2.85
8.81
11.66
5 per cent. fat deficient
„ „
June 6th
13
3.17
8.67
11.84
...
„ „
June 6th
14
3.33
8.65
11.98
...
„ „
June 6th
15
3.13
8.85
11.98
...
„ „
June 6th
16
3.42
8.90
12.32
•••
„ „
June 6 th
17
3.07
8.59
11.66
...
„ „
June 6th
18
3.66
8.98
12.64
...
„ „
June 8th
19
2.61
8.57
11.18
13 per cent. fat deficient
„ „
June 8th
20
3.18
8.80
11.98
...
„ „
June 8th
21
2.66
8.90
11.56
11 per cent. fat deficient
„ „
June 8th
22
2.85
8.79
11.64
5 per cent. fat deficient
„ „