CONTAGIOUS DISEASES OF DOMESTICATED ANIMALS. 139 



exposed, the source of the infection, what objects have become in- 

 fected, what persons and animals may become vehicles of the virus, and 

 what measures (especially isolation and killiug) are required. 



Inspection of fairs, markets, and herds in an infected district, and vijsit, 

 every fortnight, of large stables, then having frequent changes, and those 

 those that have been infected, are requisite. 



Slavghter should be resorted to for the sick aud all suspected of dis- 

 ease, no treatment being permitted. Eecovered animals should in all 

 cases be used for meat only. All slaughter of subjects out of an in- 

 fected herd should be in the presence of as few persons as possible and 

 under the inspection of a veterinarian. The aninnils suspected of being 

 infected should be inoculated. (The provision against treatment shoidd 

 also preclude inoculation if extinction of the disease is desired.) 



For indemnity as a means of securing early rei)orts he advocates, at 

 least one-half the sound value for beasts suspected, yet fit for human 

 consumption, and at least three-fourths the sound value for those that 

 are diseased and unlit for food. Better still to completely extirpate the 

 infected herd and indemnify to the extent of the full value, as in Holland 

 and England; the state to retain in such a case all proceeds from tlesh 

 and hide. 



Under isolation come : {a) Se([Hestrat?on in a particular place near which 

 no other cattle nor other animals are allowed. 



[b) Cantonnement or parl-aeje in a secluded place inclosed by walls, 

 hedges, barriers, palisades or water, aud safely apart from roads, [)arks, 

 «S:c., frequented by other stock. 



(c) Sanitary zones or circles, including a part or whole of a village or 

 commune or several communes, separated from all communication with 

 outside districts. 



[d) Census and marliing are essential to a perfect control of such 

 secluded places. 



(e) Prohibition of morement of all sick and suspected animals is abso 

 lutely essential. Under special precautions fat cattle may be moved 

 in closed wagons to slaughter, and work-oxen may be utilized on certain 

 prescribed fields if there is no danger of communication with other 

 cattle, direct or indirect; no cattle should be exposed for sale anywhere 

 without an official certificate that no epizootic has existed for six weeks 

 or more in the commune from which they were drawn. 



(/) Suspension of fdrs and marlcets is only demanded when the lung 

 plague has attained to an extensive prevalence. 



(//) Importation of cattle should be interdicted from any infected country 

 unless they are accompanied by a certificate of Innilth dated six days 

 I»efore and showing that no lung-plague has existed for at least six weeks 

 in the place from which they came. (Such provisions show the aim at 

 restriction rather than extinction of the malady, as they could not arrest 

 the occult cases nor those having a long period of incubation. — J. L.) 



