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- 



