Milford chronicle., 1911-12-22
HOG-CHOLERA.
BY
Dr. j. r. Kuhns Secretary State LiUe Stock SAM.
tary Board


purchase from commercial house
large quantity this The disease prevalent however, that
o. exhausted have
with Delaware College Experiment Station have large
made during the approaching and the funds Of the
Board wpemt this will be supplied free OF costto all hog owners
Since the discovery y Dorset and his co-xkers Of practical method
producing immunity cholera interest has become
attached to many years greater
losses scientists exerted their best
in attempts o rational method OF prevention
Of North Dakota has given excellent discussion
of the subject
attempts this naturally all based
bacillus the only specific
disease and while doubt various investigators succeeded in rem
ierng that great
the solution Of the prob
lem could be looked for The later work was begun by dc acen
had doubt the relation of the hocolera bacillus and
the death of de schweini his ideas were tested and further
worked out by his successor Dorset and ms fellow workers the o was
apparently untra-moopc
upeiter all in the
sdology OF certainly sole primary
discovery opened the for the subsequent mmun
experiments phase the disease known as swine
plague This disease most commonly associated with hog cholera Is re-
gdd infection by Bacillus suPcu but more than prob
able also plays secondary roe
the of this institution of our
LESSONS typical plague others those of hog cholera while
both diseases Both diseases if such they be abo
utey by the hogcholera hyperimmune will
deny phogenic Bacillus suipifr and suepcus
but it opinion that for practical purposes safely cease
distinction between the types of disease.
and the played by the soed febe virus
~ Nth m n+ n Of either r1erire tt fodv srialv vulnerable
injected susceptible
will promptly produce acute cholera but it is probable that the natural in
place way anentary
transmitted by the exeons diseased animals and contaminated food
and
of fromp place place
number of welknown factors which play such the
of localities stock shows
sales many
proven be clearing prominent part
played by Intermediary bearers such hog buyers who travel far and
wide from hog hog lot neghbO who spirit of sympathy visit
the of friends dying disease and
who carry injection on their shoes INTO their own hog lots 1t probable
that animals such birds and dogs capable infection
very emen distributor OF injection Food and drinking water may be
contaminated and dissemination we'll
known fact that hog cholera has been carried from place place by
Of small
ofincon when introduced into herd varies
doubt with virulence quantity herds
the hogs dke in rather rapid succession in others the evolution Of the
disease slow. instances the infection very
practically cholera yet in
the duration disease be exceedingly
small quantities of cholera blood the first symptoms usually
twelve exposure, longer
period often p In of local outbreaks
appearance about one month after
beginning of outbreaks
definite frequently fail the affected may
dead without having shown previous indispositon
greater percentage cases
lack disposition separation
early feature affected hog will bury itself in the litter and not
easily induced about white darkening
the skin sometimes lnes appear
reness injection visible mucosae while
the body temperature is elevated
Gastoneinal phenomena early
ing is uncommon and darrhea frequently
be preceded by constipation of variable
in
are liquid hight dark yellow color and emit fehd odor In
spaion the faces hard
fnspstec
Respiratory difficulty is symptoms express
catarrhal in fmmaon passages high degree
dspnoea Oconed
The onjunctvae swollen and the eyeds together
by purulent exudae
many exanthema On the abdomen in the
Xiary posauicular submalary peine the
side of the thighs duse crcumsd present
purple tint The
which later dry black dscabs.
In
disturbances
There commonly respiratory difficulties pneumonia
uent complication Such cases frequently show fair appetite
are lead believe that recovery place great
o OF cases. however the LESSONS
the elimination of
hoera longer be rendered bacterog
have principally depend patoanomic features deter
nine the identity o
For this reason undertake to them
ong So wish understood that attempt will be
ting between the cholera and plague forms of
In number of cholera presents LESSONS an
annatoy nature There may be due
the ubmaNary and posaucular regions
be lower surface Of the body and frequently pronounced
non of axla nuhis IND tLa ainna- IL L..