Investigations into the Nature, Causation, and Prevention of Texas or Southern Cattle Fever Page: 181
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APPENDIX.
181
No. 57 (native).-Cow, 9 years old, from the District of Colunlbia, received August
31, 1889. September 14, placed in field I (North Carolina cattle with ticks).
November 5.-The blood is normal. Corpuscles, 6,089,000 in a cubic millimeter.
No abnormal or enlarged forms detected.
May 16, 1890.-Cow in good condition. Blood corpuscles normal; 6,662,000 in a
cubic millimeter.
July 4.-Reixposed in field VI (North Carolina cattle with ticks).
September 20.-A small number of ticks on animal. Some matured. Blood cor-
puscles normal; 5,362,000 in a cubic millimeter. In one corpuscle a motile bright
body detected. (The only native which has resisted midsummer exposure.) For
temperature record, see pp. 271, 277, and 278.
No. 59 (Southern).-Cow, age 4 years, from near New Berne, N. C,, placed in field
IV, September 15, 1889, after ticks picked off.
July 4, 1890.-Placed in field VI (North Carolina cattle with ticks) to test insus-
ceptibility.
September 3.-Temperature, 103; pulse, 80; respirations, 42. Corpuscles, 6,313,-
000. In fresh preparations a small number of corpuscles, several in a single field,
contain the bright bodies.
No result from this exposure. (For temperature record, see pp. 277 and 278.)
No. 60 (Southern).-Cow, aged 4 years, from New Berne, N. C. Received Septem-
ber 15, 1889, and placed in field III.
September 1, 1891.-This cow has been kept in stock since 1889, but not exposed
to Texas fever. On this date exposed in field VI (North Carolina cattle with ticks).
September 1.-Temperature, 102; pulse, 84; respiration, 48. A few ticks on ani-
mal. Corpuscles, 5,470,000. Nothing abnormal in fresh and stained preparations.
October 9.-Temperature, 101.5; pulse, 60; respiration, 40. Red corpuscles, 4,984,-
000; white, 15,625, or 1 to 319 red. No abnormal forms observed.
October 20.-No result from this exposure although ticks just as abundant on this
animal as on natives. (For temperature record, see p. 286.)
No. 61 (Southern).-Red steer, 18 months old; received September 15, 1889, from
near New Berne, N. C., and placed in field 1I.
July 4, 1890.-Exposed in field VI (North Carolina cattle with ticks).
November 3.-No result. (For temperature record, see pp. 277 and 278.)
No. 62 (Southern).-lHeifer, 18 months old, received from near New Berne, N. C.,
September 15, 1889. and placed in field III.
September 25, 1890.-Exposed in field II (Texas cattle with ticks).
October 15.-Temperature, 101.4. Corpuscles, 5,444,000. No abnormal forms.
October 22.-Temperature, 102.2; pulse, 72; respirations, 24. Corpuscles, 6,333,000.
Several bright intraglobular bodies.
October 30.-Temperature, 102.5; pulse, 66; respiration, 18. Corpuscles, 5,695,000.
A considerable number of bright intraglobular bodies from such as are barely visi-
ible (x500) to those I- i in diameter; all sizes motile.
On this (late she was placed in a barn artificially heated and kept there until De-
cember 12.
July 2, 1891.-Placed in field VI (North Carolina cattle with ticks.)
October 20.-No result from exposure. (For temperature record, see pp. 275, 284,
and 286.)
No. 63 (Southern).-Cow, 31 years old, received September 15, 1889, from near
New Berne, N. C., and placed in field IV after the ticks had been picked off.
November 5.-General condition very poor. Corpuscles, 5,540,000.
)ecember 9.-This animal was killed to-day owing to its unthrifty condition. The
autopsy revealed a small number of firm yellowish masses from to inch diane-
t(r, with cheesy contents, in the liver. There are a considerable number of entozoa
in this animal, in the small intestine worm tubercles, in the (esophagus a filaria.
In the fourth stomach the mucosa is dark pink in color and beset with numerous
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Smith, Theobold & Kilborne, Fred Lucius. Investigations into the Nature, Causation, and Prevention of Texas or Southern Cattle Fever, book, 1893; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth143538/m1/201/?q=%221863%22: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting University of Texas Health Science Center Libraries.