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Wisconsin Dairymen's Association / Fortieth annual report of the Wisconsin Dairymen's Association : held at Beloit, Wis., November, 1911. Report of the proceedings, annual address of the president, and interesting essays and discussions relating to the dairy interests
(1912)

Hastings, E. G.
Tuberculin and its uses,   pp. 97-106 PDF (2.1 MB)


Page 106


Portieth Ainnual Report of the
Prof. Hastings: Yes. You come Into this room, and If material
which contains the organism has been thrown on the floor, and we
grind it into dust, we may breathe in the organism, but out in the open
field we don't do that, because the opportunity for destroying it Is too
great.                                        I   I      ..   !1 i
Mr. Goodrich: Does the modern barn as built nowadays have a
tendency to create disease among animals more than the old-fashioned
way of having them around a straw stack in a shed.
Prof. Hastings: Well, personally I don't think It has. It we have
what we sometimes call a modern barn, one that Is air-tight, I have
no doubt, but what it tends to weaken the animal. If we have the
really modern barn I think it is a good deal better for the cattle than
ii they ran around the straw stack.
Prof. Hastings: I don't think there is any doubt about that. I read
about a creamery where a fellow had a two-inch pipe for a ventilator
and, he thought that was a fine idea. He could not get air through
that to ventilate a henhouse with one hen in it.
Mr. Glover: It might be added here, that no matter how well the
barn is ventilated and lighted, If there are diseased animals in a herd
the healthy cows next to them are apt to get the disease. But where
the barn is well ventilated and lighted, the chance of spreading the
disease is less than in the poorly ventilated and lighted barn. It may
be said, that In the poorly ventilated and lighted barn there is no
danger of an animal getting tuberculosis, unless the germ is present.
There is no such thing as spontaneous generation of life. On the other
hand, in a good lighted and well ventilated barn there is danger of
spreading tuberculosis if the tubercular germ is present, but not as
much danger as in the poorly lighted barn.
Prof. Hastings: The disease spreads out-of-doors. It used to be
asserted that it was not found among our range cattle, among cows
1 Kept outside, but it does spread among them with wonderful rapidity
for the reason of their contact, and the habit of licking one another.
If you have a tuberculous cow, and another cow comes along and licks
her, there is an opportunity for It to spread no matter under what
conditions the cattle are kept.
The Auditing Committee submitted the following report, which was
adopted:
I }
106


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