Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1883-03-06
PREVENTION OF pLEURo.pSrrMo.
And Contagious Diseases In Domestic Ami.
mails by Vaccination.
ny DR. wEsI,ry ,IlI,pp

The recent report Of the United
states treasury Cattle Commission has
developed some important facts rcla-
1--WE 10 the pleuro-pneumonin OF ami
mas, ana disease peculiar TO the
yum states commmonly known rs
spienlc, or Texas cattle fever. and is
considered one of the most fatal of con-
tagious, or infectious diseases when
contracted by the cattle of the North.
Entlre herds of blooded and graded
cattle are known To have been swept
away by u single case of this disease
being brought among them.
1T IS now question Ii the vaccina-
ton otnll healthy animals that have
come In contact with Il diseased one. is
not the best preventive for the extinc.
ton of these diseases. On the other
hand 1t Is claimed that stamping
out, as 1t is called, by the destruction
of all animals infected with tpis conta-
gion, is the only way of preventing, or
putting an end TO the future progress
of the disease. However plausible this
idea may seem as bold policy, there
are grave doubts If this or any other
country can succeed by this measure
In getting entirely free of pleuro-pneu-
monia, and other contagious or infec-
tious diseases in animals. Within the
past hundred years we have been try
ing to get rid of the pestilence of small
pox by various ways and means. But
happily a remedy has been provided,
which allows us 10 modify the charac-
ter of a contagious or infectious dis
ease, and almost disarm il in its fatal
consequences.
1T is stated in the report sent to Con-
gress for their legislation, they have
recommended that the sum required
TO free the country from these diseases
Is estimated ut $4,000, 900, and this APP
preparation asked for might be increas-
ed to double or treble that amount,
unless some provision Is made to pro-
tect healthy animals from this most
serious scourge. II has been shown
and practically proven that with n
properly cultivated vaccine, lung
plague, or pleuro-pneumonia, and
other contagious diseases in domestic
animals can be prevented by vaccina-
ton, The evidence in support of this
view, il that when an animal is vac
cinated with n correctly prepared vac
cine, no revaccinations with a COM
pletely virulent virus has any effect
upon the animal thus protected unless
the virus introduced in the subsequent
vaccination Is greater in virulence OF
quantity TO overcome the effects OF Il
former vaccination. Neither can Il
well-deiined pustule, or vesicle be OBJ
tanned for the purpose OF collecting a
specific vaccine for human vaccina-
tons from an animal more than once;
that Is no animal can be vaccinated,
or used for this purpose the second
time. While the object to be obtained
is for the cultivation of bovine virus
for human vaccinations, the benefit to
the animal it has given is clearly
shown TO have greatly improved its
condition in maturity, and in future
is protected from other contagious
| discaaes.
In recent letter of M. Pasteur,
Paris, France, 1t Is stated in his cons
munication, that over 400, 900 animals
! have been protected from contagious
diseases after his method, with an ut
tenuated virus attained by oxygen Of
the air, or fermentation, Of a material
from a diseased lung, or the blood of q
diseased animal, with most satisiacto'
ry results. How far, or to what extent
this may have projections to the ami
mails inoculated with this material re
mains yet to be seen. From its gen
eral use, and careful observation, In
| the cultivation Of virus obtained
by this method, II cannot be
| called a reliable and safe preventive in
vaccination, from its varying degrees
of virulenee in its production, rs its
mode OF culture isfounded upon false
| basis. and uncertain Mt all times oil
| taking out or destroying the entire
! bacteria or disease germ OF the disease,
and when this is not completely per-
! formed in the cultivation, 1T Will most
assurcdly produce afalse or untrue Vi
rus.
/ In Axtralia and other countric.
where iixculations have been resortcd
to, as preventive measure, with or,
| ranic matter or the primitive liquid
| from diseased animal, the disease has
] invariably returned in its most viru-
lent form. But if the virus has been
properly cultivated, through the ami
| inni membrane, and its activity fully
maintained in its cultivation. and
freed from all disease germs, that II
cannot multiply or reproduce itself III
the animal system, we then have al
antidote, or preventive that Is harm
less in its effects, as IL is efficient IN It's
results. Whenever the animal has be
come infected from an impure vaccine
it may be the cause OF septic@ma, or at
any time multiply or reproduce
itself, and from the excrements de
pesited upon the soil or farn-yard, ano
In this way is conveyed to Other
healthy animals. This is the reason
why vaccination in the animal has
never been more successful, and they
never can get rid of the disease, though
the loss by death may lac very small
until a correctly prepared vaccine Il
used and strict sanitary regulation
enforced 1t can then be safely pre-
dicted of Che vaccination OF animals
recently done In France, aud otbe
countries, with an improperly cult
yatcd vaccine obtained by fermenta
tlon, or mitigated oxygen of the air
will sooner or later, find its pols
onous germs deposited upon tn
soil and renewed again with littl
benefit to the animal II ought to pro
tect. The fact has been long establish
ed that i'm order to cultivate reliable
and correct vaccine, thai will give pro
lection To the animal rom contagious
or infectious diseases, 1t should iirst ID
passed through the animal on BOVINE
-. Thor IN fake OH