Iowa County democrat. [volume] (Mineral Point, Wis.) 1877-1938, 1899-10-19

tin, entitled The History Of u Tuhercu-
louS Herd OF Cows, which should he in
the hands of every person who keeps
4 COW or is Interested in dairyiug. II
| relates the combined experience OF a
private dairymau in Oaaukce county
and of the experiment. station in the
management Of u herd ot COWS afflicted
with tuberculosis, Readers desiring
| this bulletin can secure il by sending
their request on a postal card to the
! cNperiment station In this bulletin
Il rather sensational position is taken
against killing whole herds simply
because some ot their members may be
! diseased and even against killing the
| diseased members in some cases, It
has been demonstrated that animals
affected in the earlier stages, but kept
under favorable hygicnic conditions
will frequently live for years
without the disease making any
apparent Roadway In thctr sys-
TENS The progeny Of such ami
mails is scarcely more apt to have
tuberculosis at birth than that OF non
rcacting mothers. If such calves are
removed from an infected atmosphere,
placed under good hygenic surround
ings, and fed ON uberclo free food,
they will not show any faint of the
disease. says Professor Russell,
The control of tuberculosis by quar-
autine should he pursued thus: Sepa-
| ~ nj ~ ~ n ~
animals, keeping them practically M
two independent herds, Breed these
roacting animals under careful con
ditions, separating the calves at birth
from their mothers, feeding them ON
thoroughly pastourized milk Of react
ing cows tor milk from non-roacting
animals) All healthy COWS, and calves
from both affected and healthy sec
tions should be kept In quarters known
to be free from tubercular contagion,
The disposition of the product of the
reacting herd may be varied to suit
the eXigencies Of the occasion, but In
any case 1t should be treated by pas
teurizing 80 AZ to render 1t innocuous.
A striking fact that has been noted
in the Investigations Mt the university
| farm Is the way in which tho disease
seems to progress in the individual
animal. OF sixteen cows Of an expert
mental herd affected when the first test
as made, several were killed for dem
onstration purposes In 1896 and 1897
! four had to be destroyed on account of
! the progress of the disease; In 1898,
/ two more broke down, and so far In
1899 still one more has succumbed,
! The seven of the original sixteen that
now remain are apparently healthy
and aside from very slight cough,
show no visible symptom of the dis
ease. In these cases the disease
has persisted for nearly -four
years certainly, and probably for a
period Of one to two years longer. In
these cases the animals eat we'll, show
no tendency toward wasting away, and
SO far ms an ordinary examination
might go are apparently sound, How
long they will remain 30 Is one or the
problems which the varsity farmers
propose to solve by keeping them UNI
til they die or recover. 1t Is note
worthy In those cases In which the
disease gained the ascendency over
the animal that the decline WAS gen
orally rapid toward the last. The AMI
nal maintained herself in good condl-
ton until some set OF causes threw
her from chronic latent tubcrculo-
sis into an acute stage. The intense
cold OF last winter FASTENED this
change In one case, in two other In
stances the melting cause was evil
IDENTIFY the strain OF calylng. fact
of great practical value developed by
Prof Russell Is that the diseased con
dition generally remained compare
lively quiescent for a number Of years
the resisting powers Of the body be-
ing able to hold the disease germ In
check; then "A sudden turn for the
worse occurred, generally as result
Of some external melting cause
In this experiment the young in all
cases stood the test, showing that the
disease Is contracted after birth rather
than inherited from the affected dam.
Healthy young cattle were kept In con-
tact with the affected herd In stable
and pasture to see II they would &C
qulre the disease by ingestlon or In
halation. In no case. however, was
the disease contracted by any animal
either where cohabitation or sucking
was allowed. This signifies that where
the disease is not generalized, even
though the animals may have reacted
for some years, the danger Of prop
agation Is but slight, and therefore,
such animals should not be regarded
as positively dangerous, but only po-
tentially so. inasmuch as the disease
may possibly develop to such an ex-
tent as to become source Of danger
to those about them.
Az precautionary measure from
the standpoint Of public health, the
milk Of such animals should doubtless
he treated SO as to deprive II Of any
possible infectious properties. This
can readily be done by pasteuriZing 1t.
| The university method involves
/ merely q campIeta seDaratIOn OF the