1 Srpr., 1898.] QUEENSLAND AGRICULTURAL JOURNAL. 237 
2. If it is possible to protect clean cattle against tick fever by dipping 
them in an arsenical dip immediately on arrival on virulently 
infested country, and at frequent intervals thereafter. 
3. If it is possible to protect clean cattle against tick fever by adminis- 
tering large doses of quinine at regular intervals. 
The results of these experiments are detailed in the following tabular 
statements. From them it will be seen that the methods adopted have, in each 
case, completely failed to effect the object sought. 
EXPERIMENT A. 
To ascertain if it is possible to protect clean cattle against tick fever by 
inoculating them immediately on arrival on virulently infested country. 
(N.B.—The cattle for this experiment were brought from St. Helens on 11th 
June, and inoculated within an hour of leaving the railway trucks. The 
history of the animal from which they were inoculated is stated beneath the 
table of the experiment.) 
Brought from St. Helens and First Showed Never Showed 
Exposed at Gracemere. Sickness. Died On. Sickness? Present Condition . 
( 1/26 June ..| 30 June 
2 | 26 ” aes 2 J uly 
OAT peau a f ORY, at ita 4 
c.c. blood from Re-}| =|,” Ab 4) 
covered Boolburra4 6 is sick... Hy ” 
Bullock on 11th} 7/4 July Hol 3} oy 
19 4, 
June. g\10 3) ai bed Recovered 
9 Missing since26 | June 
(10 5 Never sick Quite well 
Particulars of the animal from which the above eattle were znoculated on 
arrival at Gracemere. Adult red tick-infested bullock brought from Bool- 
burra on 25th March, and exposed at Gracemere, where it suffered an acute 
attack of tick fever'as per following temperatures :— 
A.M. AM. 
8 April ... py} .. 106°S 15 April ... a) .. 103°8 
Oe ieee a BS: Et wee ae O66 Gum tiated: une 05:9) 
1O}eo Seema ohio Slee 7a4 Lime BAe penal 0578 
Ibs yy ys ma ce. tues Sars ote on .. 104 
LOR Ne Bin enere te S107.6 1) Se nC om dee RT ot, 
WY gy lee, de a MY 20 5, vf Aan «.. 1034 
ear oy he ey IT Sie ee ae Ne morte OD 
EXPERIMENT Bb. 
To ascertain if it is possible to protect clean cattle against tick fever b 
dipping them in an arsenical dip immediately on arrival on virulently infested 
country, and at frequent intervals thereafter. ‘The dip used contained arsenic, 
soda, and Stockholm tar— 
from St. Helens and First Showed Never Showed : 
ee at Gracemere. Sickness. Died On. Sickness. Present Condition. 
(1 | 26 June ... | 10 July 
2126, el ap 
Dipped in Christian’s|3 | 4 July 2, APUAE Sg) 
dip on arrival (6 on| 4] 4 ,, we ADELE. 5 
llth and 3 on 18th45| ? ,, aoe on Found dead Bogged* 
June), and once al6| ? ,, ee ELO Mees 
week afterwards, 7 A ou Nover sick Quite well 
8 ts ts Never sick Quite well 
REE 4, ia rf Still sick Still sick 
\ 
* The date and circumstances of the death of this animal suggest that it died of tick fever. 
tC) 
