182 ESSENTIALS OF VETERINARY LAW 
subject to quarantine expose themselves to prose- 
cution for violations of laws, and to actions in dam- 
ages for such injury as may be shown. The dipping 
of animals, or other treatment to remove danger of 
the spread of infection, when done under the super- 
vision of the bureau, is a‘strictly governmental 
action, and for general protection. The State (and 
that term means nation as well as state), cannot 
be sued in tort ($96), and any injury suffered, or 
loss sustained by a citizen through such govern- 
mental operations must be borne without recourse. 
133. Scabies. The regulations relative to sca- 
bies in cattle or sheep are practically the same as 
for splenic fever, though the disinfectants used in 
the dip are different. 
134, Hog Cholera and Swine Plague. No swine 
which are afflicted with hog cholera or swine 
plague may be lawfully transported, trailed, 
drifted, or driven from one state to another. 
Diseased swine in the stockyards must be con- 
demned and slaughtered. Exposed healthy swine 
may be shipped to a slaughtering centre for im- 
mediate slaughter, in cars properly marked. Swine 
intended for other purposes than immediate 
slaughter may be shipped from stockyards, sub- 
ject to the requirements of the state of destination, 
after being examined and found free from con- 
tagious or infectious disease, and after treatment 
by approved methods by competent veterinarians. 
135. Dourine. Horses, jacks, and mules in- 
tended for interstate shipment must be examined 
by an inspector and found free from dourine. 
Horses and jacks are mentioned in the B. A. I. 
Order 210, effective July 1, 1914; but the fact hav- 
