354 CORNSTALK DISEASE 



In one animal certain of the lymphatic glands exhibited 

 more or less blood extravasation, particularly in the interlobular 

 tissue. 



§ 276. Differential diagnosis. This disease is to be 

 differentiated from sudden deaths due to various other causes. 

 As a rule thej- are accidental although deaths directly due to 

 engorgement, or to the consumption of too much corn, as might 

 easily happen during the first days that the cattle are in the 

 stalk field. The diagnosis of the cornstalk disease must, for 

 the present, depend upon the hemorrhagic lesions and the 

 period of feeding upon the stalks. Mayo has pointed out the 

 fact that occasionally cattle die from eating cornstalks exces- 

 sively rich in nitrate of potash. 



Of the specific infectious diseases which might be con- 

 fused with this affection acute anthrax, symptomatic anthrax 

 and septicaemia hemorrhagica should be mentioned. Each of 

 these affections can be determined from its specific nature as 

 pointed out under the description of each of these affections. 



REFERENCES. 



1. Billings. The cornstalk disease in cattle. Bulletins A^o. 7, S. 

 g and 10. Neb. Agric. Exper. Station. 1886-8S. p. 165. 



2. Billings. The corn fodder disease in cattle and other farm 

 animals, with especial relation to contagious pleuro-pneumonia in 

 American beeves in England. Bulletins No. 22 and 2^. Univ. of Neb. 

 Agric. Ex per. Station. 1892. 



3. DE SCHWEiNlTz. Chemical examination of cornstalks presu- 

 mably the cause of cornstalk disease in cattle. Bulletin No. 10, U. S. 

 Bureau of Animal Industry. 1896. 



4. GamgeE. Diseases of cattle in the United States. U. S. 

 Department of Agriculture. 1869. 



5. Mayo. Cattle poisoning by nitrate of potash. Bulletin No. ^g. 

 Kansas Agric. Ex per. Station. 1895. 



6. Mayo. Cornstalk disease in cattle. Ibid. 1896. 



7. Moore. An investigation into the nature, cause and means of 

 preventing the cornstalk disease (Toxaemia Maidis) of cattle. Bulletin 

 No. 10. U. S. Bureau of Ani)>ial Industry. 1S96. 



8. NoCARD. Une Broncho-pneumonie infectieuse des Boeufs 

 Americains. The cornstalk disease. Recueil de Medecine Veterinaire. 

 Tome VIII. (1891). p. 424. 



