XXX
CASE No. LXXI.—AUSTRALIAN ROAN MARE, aged.—Disease recognised as
" Surra" on the 23rd September. September 24th 8 A.M., reached the Laboratory. State on
admission.—In good condition, conjunctival membranes tinged yellow in colour with several
petechiæ dotted over them of a deep red colour; mucous membrane of mouth yellow in colour and
pasty; nasal membranes slightly injected; skin cool; slight œdema of the fetlocks. Temp.
A.M. 40°C. P. 40. R. 16. The blood is pale in colour, the red corpuscles are indistinct and
run together; the white corpuscles are swollen and granular, but are not increased in number;
a few masses of speculated protoplasm are dotted over the specimens and also a few round
cells containing smaller bodies. The hæmatozoa are numerous but appear smaller than
those observed in the blood of Case No. LXX this morning. Temp. 1 P.M. 40.3°C. 5 P.M.
40.3°C. P. 44. R. 40.
2th.—Animal
appears very dull, hanging head, disinclined to move, legs slightly
swollen and œdematous. Pulse thready and frequent. Visible mucous membranes dirty
yellowish-red colour, marked with several small extravasations. Feeding well. Temp.
A.M. 40.6°C. P. 40. R. 24. Hæmatozoa very numerous in the blood. Temp. 1 P.M. 40.5°C.
Urine, clear, viscid, yellowish red in colour. Sp. Gr. 1,029. Alkaline, no albumen.
It is decided to treat this case with Arsenic and the mixed Cinchona Alkaloids in small
doses—
R.
Cinchona Alkaloids 31.
Liq. Arseuicalis
3i.
Aquam ad
3xii bis die.
Temp. 5 P.M. 40.6°C. P. 48. R. 36.
26th.—The animal looks much brighter; the petechia3 on the conjunctival membranes
still retain their dark red colour. The pulse is weak and irregular. The appetite however
remains very good. Temp. A.M. 39.2°C. P. 44. R. 20. The hæmatozoon is absent from
the blood; the red corpuscles form healthy rouleaux, the white are granular and increased in
size, but not in number. The open spaces between the corpuscles are occupied by a dense
network of fibrine. Temp. 1 P.M. 39.3°C. Urine, none could be obtained. Temp. 5 P.M.
38.3°C. P. 40. R. 24. Two doses of the medicine have been administered during the
24 hours.
27th.—This morning the animal looks much brighter and walks freely about the box.
The œdema of the lower extremities is still present especially between the hocks and fetlocks
of the hind limbs. The petechiæ on the conjunctival membranes are disappearing. The
animal feeds well and the excretions appear normal. Temp. A.M. 38.7°C. P. 40. R. 36. The
hæmatozoon is absent from the blood ; the red corpuscles present a healthy colour and form
normal rouleaux and the white appear normal. Temp. 1 P.M. 39.3°C. Urine, none could
be obtained. Temp. 5 P.M. 39°C. P. 38. R. 36. Two doses of the medicine were given
during the twenty-four hours.
28th.—There is no change in the general condition of the animal. She feeds well and
the excretions are healthy looking. Temp. A.M. 39.2°C. P. 40. R. 24. The hæmatozoon
is absent from the blood. Temp. 1 P.M. 39.3°C. Urine, opaque, viscid, greenish yellow in
colour. Sp. Gr. 1,036. Alkaline. Temp. 5 P.M. 39.3°C. P. 44 R. 24. Two doses of the
medicine were administered during the day.
29th.—The animal appears very bright and healthy with the exception of a slight œdema
of the fetlocks. The visible mucous membranes are clear, and there are no petechiæ on the
conjunctival membranes. The character of the pulse has improved. The appetite is excel-
lent and the evacuations healthy. Temp. A.M. 37.6°C. P. 44. R. 36. The hæmatozoon is
absent from the blood. Temp. 1 P.M. 38.6°C. Urine, opaque, viscid, greenish yellow in
colour. Sp. Gr. 1,046. Alkaline, heavy sediment on stauding § of the whole; large num-
bers of Calcium Carbonate and Oxalate crystals, albumen a trace. Temp. 5 P.M. 38°C. P.
40. R. 28. Two doses of medicine have been administered, one at 8 A.M. and 5 P.M.
30th.—The condition of the animal is unchauged. Temp. A.M. 38°C. P. 40. R. 28.
The hæmatozoon is absent from the blood. Temp. 1 P.M. 38°C. Urine, none could be
obtained.
Temp. 5 P.M. 37.6°C. P. 44. R. 32. Two doses of the medicine have been given
during the day.
1st October.—The animal appears to be much in the same condition; the conjunctival
membranes arc injected, but no petechiæ. are present. The appetite is excellent. Temp.
A.M. 38.5°C. P. 36. R. 32. There are a few hæmatozoa in the blood. Temp.l P.M. 39.2°C.
Urine, "none could be obtained, as the animal only urinates during the night. Temp.
5 P.M. 39.1°C. P. 36. R. 20. Two doses of the medicine were administered during the
24 hours.
2nd.—This morning the animal does not appear to be quite so lively as yesterday.
There are a few petechiæ on the conjunctival membranes. The skin is rather hot. There
are no other symptoms noticeable. Temp. A.M. 39.3°C. P. 48. R. 32. The hæmabozoa are