Brisket Disease. 
i7 
Many ulcers in the mucous membrane most of which are healed. 
Several reddened areas, some sand present. Mucous lining of intestine 
loosened and easily torn off. Intestinal contents thin, watery, no bad 
odor. Kidneys petechial. Bladder normal. 
CASE No. 3.—Grade Hereford, black with white face, age one year, 
weight three hundred pounds. Found sick four days before. Altitude 
nine thousand five hundred feet. Seen on September 29, 1913. Grunt¬ 
ing with every breath, dull, listless, mucous discharge from eyes; mucous 
membrane pale; jugular pulse very marked; jugular veins so full that 
they stand out and are plainly visible some yards away; no appetite; 
drinks freely; thin fetid diarrhoea; temperature 101.6; respiration 30 
and audible; pulse 90; heart tumultous; brisket enormously enlarged 
and rather firm on pressure; some regurgitation of gas; coughs fre¬ 
quently; animal died during the night of September 3 0. Post Mortem— 
Subcutaneous tissue markedly edematous over brisket and under surface 
of the neck, extending as far back as umbilicus and forward to the sym¬ 
physis 'of the lower jaw; enormous quantities of fluid in the thoracic 
cavity; heart enlarged and dilated; lungs congested in spots; bronchitis, 
due to a considerable number of lung worms; hemorrhagic spots in tis¬ 
sues about the pharynx and trachea; hemorrhages under the peritoneum 
at several places, an especially large one under the spleen; spleen normal; 
liver hard, enlarged and mottled on section; kidney passively congested; 
mucous membrane of the fourth stomach and intestines reddened through¬ 
out; a large quantity of fluid in the abdominal cavity; the serous mem¬ 
brane of the intestinal walls is much thickened by edema. 
CASE 4.—Yearling calf, weight three hundred and fifty pounds; seen 
on September 29, 1913; altitude nine thousand feet. The previous day 
he had been driven in off the range, but owing to his failure to travel 
well has been left behind. Symptoms—Profuse diarrhoea, not dark in 
color; very weak and grunting; brisket greatly swollen as well as the 
loose tissues under the jaw; mucous and watery discharge from the eyes; 
dull; listless; temperature 101.1; respiration 18; pulse 100. Slaugh¬ 
tered on the morning of the 30th for examination; a few hemorrhagic 
areas on the rumen; estimated a couple of gallons of fluid in the abdom¬ 
inal cavity and as much in the thoracic; mesentery edematous; four rath¬ 
er large ulcers in the fourth stomach; no reddening in either the stomach 
or intestines; liver enlarged and quite hard, being mottled on section; 
lungs normal except a few small areas in dependent portions of the 
cephalic and cardiac lobes, which are solidified and depressed; heart not 
large but quite flabby; no lung worms and no bronchitis. 
OASES No. 5 AND 6.—Two two-year-old steers with badly swollen 
briskets and showing profuse diarrhoea, shipned from Jefferson, Colo¬ 
rado, altitude nine thousand feet, to Denver, where they remained'in the 
stockyards for three weeks, during which time they completely recovered. 
They arrived at the Station at Fort Collins on November 28, 1913, in a 
normal condition, were kept under observation until December 17th, 
when they were sold as feeders. The purchaser reported that they fed 
out as well as any others in the lot and were sold for slaughter about 
April 10, 1914. One of these steers came originally from either New 
Mexico or Arizona and the other from Marysville, Utah. 
CASE 7—A calf raised at Jefferson, Colorado, altitude nine thousand 
feet, shipped to Fort Collins by express on February 11, 1914, because 
of a marked diarrhoea, dullness, swelling of the abdomen and droopy 
ears, denoting brisket disease. On arrival the following day the feces 
were normal, the animal was weak and dull with little appetite. No 
swelling of the brisket; temperature 102. It became brighter in a few 
