178 ESSENTIALS OF VETERINARY LAW 



area may be made at any time by boat or rail for 

 immediate slaughter, provided that the permission 

 has first been obtained from the proper official of 

 the state (or District of Columbia), at the place 

 of destination, under certain strict regulations. 

 They must not be handled over platforms, chutes 

 or alleys used for horses, mules or asses, nor for 

 cattle from noninfected areas. The construction 

 of the alleys, chutes, pens, etc., is strictly regu- 

 lated to prevent any possible contact with other 

 animals, and the pens must be plainly marked with 

 signs, '' QUARANTINED YARDS," or ''QUAR- 

 ANTINED PENS. ' ' Any cattle driven into these 

 specially reserved pens must be treated as if ex- 

 posed. Cars or boats used in the transportation 

 of such animals must be conspicuously marked. 

 Cattle from noninfected areas, needing to be un- 

 loaded for feed and water, within the infected 

 territory, can only be so handled in specially re- 

 served pens, properly labeled ''NONINFECTIOUS 

 PENS," and kept free from possible infection. 

 Cattle from noninfectious areas, infested with the 

 tick, Margaropns annulatns, must be regarded as 

 infected cattle, and subject to the regulations 

 therefor. Cattle from infected areas, or other cat- 

 tle infected with the ticks, after having been prop- 

 erly dipped twice, at intervals of from 5 to 12 days, 

 by the approved method, may be certified as free 

 from infection with splenic fever, and may be 

 moved interstate for any purpose. If dipped once 

 they may be shipped as ' ' dipped ticky cattle, ' * and 

 if examined and found free in a market centre pro- 

 vided with proper dipping facilities, and there 

 dipped by an inspector within from 5 to 12 days 



