JOHNE’S DISEASE 191 
25. Moorg. Bovine tuberculosis. Bulletin 226. (Cornell), N. Y. 1905. 
26. Netson. On the use of Koch’s lymph in the diagnosis of tuberculosis. Report 
of the biologist. New Jersey. 1893. . 
27. Netson. Experimental studies of the Koch test for tuberculosis. New 
Jersey, 1895. 
28. NELSON. The suppression and prevention of tuberculosis of cattle and its 
relation to human consumption. Bulletin 118. New Jersey. 1896. 
29. Nesom. Tuberculosis of cattle. Bulletin 50. S.C. 1900. 
_ 30. Paicu. History of tuberculosis in a college herd. Use of tuberculin in diagno- 
sis. Bulletin27. Massachusetts. 1894. 
31. PEarson. Tuberculosis of cattle. Bulletin 29. Penn. 1894. 
32. Reywnotps. Bovine tuberculosis. Bulletin 51. Minn. 1896. 
33. RusseLy. Tuberculosis and the tuberculin test. Bulletin 40. Wisconsin. 
34. Russett. The history of a tuberculous herd of cows. Bulletin 78. Wiscon- 
sin. 1899. 
35. Russeiy. A lesson in bovine tuberculosis. Bulletin 114. Wisconsin. 1904. 
36. Russe.t. Two ways of treating tuberculosis in herds. Bulletin 126. Wis- 
consin. 1905. 
87. Russetu. The spread of tuberculosis through factory skim milk with sugges- 
tions as to its control. Bulletin 143. Wisconsin. 1907. 
38. RusseLL anp Hastines. Bovine tuberculosis in Wisconsin. Bulletin 84. 
Wisconsin. 1901. 
39. SraLKER AND Nixes. Investigation of bovine tuberculosis with special refer- 
ence to its existence in Iowa. Bulletin 39. Towa. 1895. 
40. Tuorne. Bovine tuberculosis. Bulletin 108. Ohio. 1899. 
41. Van Es. Bovine tuberculosis. Bulletin 77. North Dakota Agricultural 
Experiment Station. 1907.. 
42. Wivu1amMson anp Emery. Tuberculosis and its prevention. Bulletin 117. 
N.C. 1895. 
1. Report of the International Commission on the Control of Bovine Tuberculosis. 
Proceedings Am. Vet. Med. Asso., 1910, p. 90. 
2. Report of the Royal Commission on Tuberculosis (Human and Bovine). Lon- 
don. 1907-1911. 
JOHNE’S DISEASE 
Synonyms. Specific paratuberculous enteritis; pseudo-tubercu- 
losis; chronic bovine pseudo-tuberculous enteritis; specific paratu- 
berculosis of cattle; enteritis paratuberculosis; bovis specifica; 
la diarrhée chronique du boeuf. 
Characterization. Johne's disease is an intestinal disorder caused 
by an acid-fast bacterium. It is characterized by a diarrhea, gradual 
emaciation and the presence of large numbers of acid-fast bacteria 
in the mucous membrane of the affected portions of the intestine. 
The small and large intestines and associated lymph glands are 
