1885 
1886 
1893 
1898 
1904 
1907 
1914 
1921 
1922 
1929 
1930 
1935 
1949 
1951 
1952 
1953 
1955 
1955 
1957 
1958 
1959 
1960 
1960 
MAJOR ACCOMPLISHMENTS OF FEDERAL 
ANIMAL DISEASE RESEARCH 
Isolation of the Salmonella organism. 
Demonstration that vaccines made from killed cultures 
(bacterins) protect animals against some bacterial 
diseases. 
Discovery of cause of Texas fever and the role vectors 
play in spreading infectious diseases. 
Discovery of difference between human and bovine tuber- 
culosis organisms. 
Discovery of the cause of hog cholera. 
Development of hyperimmune serum to prevent hog 
cholera. 
Discovery of cause of brucellosis in swine. 
Use of carbon tetrachloride to control hookworms in 
animals and man. 
Discovery of relationship between brucellosis organisms 
that cause the disease in cattle, swine, and goats. 
Development of a field test to detect pullorum disease in 
poultry. 
Development of Strain 19 vaccine to prevent brucellosis. 
Development of crystal violet killed vaccine to prevent 
hog cholera. 
Discovery of variant hog cholera virus. 
Development of practical test to differentiate between 
foot-and-mouth disease, vesicular stomatitis, and vesic- 
ular exanthema. 
Discovery of cause of hyperkeratosis of cattle. 
Identification of vibriosis as the principal cause of infer- 
tility in cattle in the United States. 
Identification of new fowl cholera organism. 
Demonstration of value of systemic drug against cattle 
grubs. 
Development of vaccine to prevent fowl cholera. 
Discovery of cause of rhinotracheitis of cattle. 
Isolation of a virus that causes the shipping fever 
complex. 
Discovery that foot-and-mouth disease virus can be re- 
activated after boiling. 
Development of test to differentiate between African 
swine fever and hog cholera. 
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