622 
T. A. BRAY. 
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Liver is enlarged, bile injected and congested, the surface 
being somewhat tinged with a very light yellow. 
Kidneys are enlarged, and of a dark redish brown color. 
Bladder usually contains bloody urine, if the case has ad¬ 
vanced far enough. Most of the other organs are free from 
changes to be observed by the naked eye. In some cases I 
have observed blood extravasations in abdominal cavity. 
Character of Ticks .—Boophilus bovis, after Dr. Cooper Cur¬ 
tice. After the ticks are hatched out they crawl on the cattle, 
get a good hold, and arrive at adult age in about three weeks, 
then drop off and commence laying eggs. The laying continues 
from eight to fifteen days, according to the temperature—each 
tick will lay about 2,000 eggs. The eggs take from three to six 
weeks to hatch out, according to temperature—the time for one 
. generation of ticks is from six to nine weeks. 
o 
Susceptible cattle can be inoculated by ticks hatched artifi¬ 
cially. Newly hatched ticks will live for an indefinite length of 
time on the ground. Ticks generally attach themselves to parts 
where the skin is thin, such as the inside and back parts of the 
thighes. 
Treatment .—Little can be said in regard to treatment. After 
the animal is known to have Texas fever, give some good febri¬ 
fuge, keep under shelter with plenty of fresh air and pure water, 
and some nutritious laxative food. Look for ticks daily, remove 
them when found and destroy them. The susceptible cattle 
that are inoculated will have the fever, but will not infect other 
cattle after the ticks are removed ; but it is not safe to have 
other susceptible cattle around, as the ticks may accidently drop 
off and lay eggs, which will hatch out in time and do some 
damage. 
Conclusions .—When all ticks are removed from Southern 
cattle, they may mingle freely with susceptible cattle, without 
any danger of communicating Texas fever. 
Adult egg laying ticks have been scattered on pastures, and 
susceptible cattle placed on such pastures have contracted 
Texas fever in absence of Southern cattle. 
