19 



which said litter or manure is cleaned up must be left 

 exposed to the sun for a period of not less than 60 days 

 before permission is given to restock. 



Disinfection of Dogs, Poultry, etc. — Immediately 

 upon the quarantine of infected premises, all dogs, poultry, 

 etc., should be confined until disinfection of the premises 

 is completed. Before being released such poultry, dogs, 

 etc.. should be dipped under the supervision of an inspec- 

 tor. Such animals may be dipped in a slightly warmed 

 solution, containing about 2 per cent of compound solution 

 of cresol. or disinfected in such other manner as may be 

 prescribed by the chief of the bureau. 



Thoroughness Essential. — Disinfection work should 

 be completed as rapidly as possible, but it should be borne 

 in mind that thoroughness is essential to the success of the 

 work. If conditions are such that improvements can be 

 suggested in the manner of disinfection herein prescribed 

 such plans should be immediately reported to the inspector 

 in charge of the work. 



DISINFECTION OF CARS. 



Period of Exposure. — All railroad cars which have car- 

 ried live stock in any quarantined area within a period of 15 

 days of the date of an outbreak of the disease, except those 

 cars that have already been cleaned and disinfected since 

 last used, shall be cleaned and disinfected, and all ma- 

 nure or Utter removed from infected or exposed cars and 

 stockyards shall be burned or disinfected. During winter 

 weather any immovable frozen material on the floors of 

 cars shall be covered with air-slaked lime not less than 2 

 inches deep. 



Method. — The rules for cleaning and disinfecting cars 

 should be essentially those governing the disinfection of 



