The Fargo forum and daily republican. [volume] (Fargo, N.D.) 1894-1957, 1913-10-16
POINTERS ON HOG CHOLERA
- AND IT'S PREVENTION
The following is from the September
Dakota Farmers Institute

The following is from the September
North Dakota Farmers Institute
Bulletin:
Symptoms.
The symptoms presented by a hog
affected with hog-cholera are mo- US
ually sufficiently clear to enable one to
recognize the disease at first sight. In
! some outbreaks the disease was not
suspected until dead hogs were found.
In the acute form of the disease,
which is the most prevalent one, lack
of appetite and a disposition on the
| part Of the affected animal to separate
| itself. from the other OF the
herd are the earliest features noticed.
The affected hog will bury itself in the
litter and. is not easily induced to stir
| about. When the animal walks a pro-
| uounced weakness may be noticed es-
| pecially Of the hin quarters. The ami
| NAL wobbles and sways about in SUCH
a tina quite a few observers
AXE the animal to be affected Witla
| some. form Of paralysis.
While ordinarily those symptoms are
the first ones noticed they are usually
preceded by a distinct increase in the
| body temperature. In normal hogs this
ranges between 1919 n 104' F., ac-
| cording to the weather conditions, ex-
| ercise, etc. When, however. we meet
| with temperatures of from 1O40-1O70
z, in hogs that were not chased about
| and when thesweather Is cool, 1t may
| he evidence of cholera infection.
Digestive disturbances are often an
earlv feature In such cases. Vomiting
ia not uncommon and d~iarrhoea is fire.
| ouently observed, although the latter
may be preceded by a constipation OF
variable duration. Diarrhoea and con-
| situation no rarely are of alternate
occurrence. The bowel discharges in
| diarrhoea are liquid of a light or dark
color and often emit a very offensive
odor. In constipation the ejecta are
hard. dark or black in color and often
show a, coating of partially dried mu-
Gus which in itself may be tinged with
blood.
Respiratory complications are COM
mon, The animals often show a cough
as a result of irritation of the air pas
saees. Pneumonia. is a frequent &C
compartment of hog cholera and /
mails in the latter stages of this COM
| plication may show great distress In
breathing. -.-..-.>>
In. many cases and especially so in
young pigs the mucous membranes OF
the eyelids are red and swollen alA1
| the latter may be stuck together by
the dried up %purulent discharge.
The skin Of the abdomen near the
arm pits, behind the ears, under the
jaw and tail and that on the inner
side of the thighs, often shows a dis
| tinct redness, which during the latter
| stages may deepen into a dark purple.
In other cases red blotches or small
blisters may appear on the kin sur
face. ..." 81,
In. the chronic forms of hog cholera
| the more prominent features are ema-
| citation and digestive disturbances like
alternating diarrhoea and constipation.
| rptoa,.o n ro -onrop9nnlu rnSnir9f nrU frp,N.
bles as chronic pneumonia Is a rather
frequent complication. Such cases
often show q fair appetite so that ono
Is often led to believe that recoVerX
will occur. 1t is but rare, however,
that such cases turn out We'll, while in
addition they are apt to become a fac
tor in the maintenance Of infection on
a given farm.
Post-mortem Appearances.
Quite, a number OF animals dead
| with hog-cholera. show a diffused or
circumscribed redness of the skin. COW
| ering the parts indicated above. More
| rarely we meet with skin LESSONS con-
sisting of decided hemorrhages lark
red in color now showing themselves
, as small specks then again as larger
blotches. The skin may also show
small blisters having a tendency to
burst and dry up as dark. round scabs.
| b OF the internal organs. the lymph
nodes as a rule, present the more con-
, slant LESSONS and in the search for
cholera LESSONS those organs must new
er be overlooked. There is enlarge
ment Of the nodes and commonly they
are very dark red or black, on account
| of the intense inflammation. In other
cases agaist the enlargement is &C
companied by inffltration with a wat
cry ffued. In the more acute cases the
inner lining Of the stomach is, inflamed
as evidenced by the very red color,
either bright or dark and hemorrhagic.
The intestines may be. the seat of very
marked changes, although it must not
be forgotten that many hogs die with
cholera andsfail to show any intestin-
al LESSONS, whatever. When LESSONS are
present, f there may be catarrh
throughout the entire tube or in very
malignant acute cases, the intestines
for a considerable extent. may show
intense hefnorrhagic inflammation.
Often we find circumscribed hemor-
rhages in the intestinal walls, varying