AXTHRAX. 



203 



So long as this source of tlie disease was unknown anthrax 

 continued to be spread through the agency of the wool factories. 



Anthrax spores may also be introduced with foreign oats, hay, 

 and manure, so that it is almost impossible absolutely to prevent 

 the importation of the disease ; but the danger of its unlimited 

 extension and disastrous losses can be minimised, and the com- 

 munication of the disease to man and to swine entirely avoided bj' 

 simple precautions. 



Anthrax in Swine. 



The occurrence of anthrax in swine is a siibject upon which 

 there has long been considerable diversity of opinion. Some of the 



: -'-.'^.HJ^Li^ r.hr '•'^ ^-:^yr^ 



Fig. 99.— Axtheax in Swine. From a photograph taken during life, showing a 

 swollen condition of the neck and throat six days after ingestion of part of the 

 viscera of a bullock which had died from anthrax. 



earliest writers on the diseases of animals speak of outbreaks of 

 anthrax among swine, but whether any or all of these outbreaks 

 were examples of true anthrax has long been a matter of un- 

 certainty; for it is well known that diseases quite distinct were 

 included under the name anthrax. 



Menschel states that in an outbreak in which twenty-four 

 persons were attacked with malignant pustule, many of them from 

 eating the flesh of beasts suffering from anthrax, pigs which were 

 fed on the same flesh also became affected, and a woman who ate 

 some of the diseased poi'k was subsequently ill. 



Roche-Lubin, while appnrently accepting the occurrence of 

 anthrax in swine, taught that the pig resisted inoculation with the 

 blood of a different species. 



