GOVERNMENTAL INSPECTION 183 



ing been demonstrated by the work of the hygienic 

 laboratory of the Canal Zone that the disease is 

 transmitted by flies in many instances, and that 

 mules are also liable to the infection, mules also 

 must be included in the inspection, at least during 

 the summer months. Where there has been a pos- 

 sible exposure to infection within eighteen months 

 all interstate shipments are prohibited. Diseased 

 animals are generally condemned and killed. The 

 Department of Agriculture cooperates with state 

 governments, and assumes one half of the ap- 

 praised valuation of the animal condemned, pro- 

 vided, that the diagnosis has been made by ap- 

 proved laboratory methods ; that the owner agrees, 

 and signs a receipt in full; and that the Depart- 

 ment's portion of the valuation does not exceed 

 one hundred dollars. In view of the curative and 

 preventive results produced in the work of the 

 hygienic laboratory of the Canal Zone, it is not 

 impossible, should the results be proven reliable, 

 that the killing of such animals may be discon- 

 tinued. 



136. Lip and Leg Ulceration (NecrobacilUosis) . 

 Animals showing the disease in more than one tis- 

 sue, or with pus fonnation, may not be moved 

 interstate; but mild or inactive cases, treated by 

 veterinarians of the Department, may be so moved. 



137. Glanders. Horses, mules, or asses, showing 

 glanders by physical examination or by the mallein 

 test, may not be moved interstate. 



138. Tuberculosis. Cattle or swine afflicted with 

 tuberculosis, as disclosed by physical examination 

 or by the tuberculin test, may not be moved inter- 

 state. Cattle may not be moved from an area 



