An experimental study of tests for the detection of carriers of Bacterium pullorum
AuthorsS. T. Michael
J. R. Beach
Authors AffiliationsS. T. Michael was Research Assistant in Veterinary Science; J. R. Beach was Associate Professor of Veterinary Science and Veterinarian in the Experiment Station.
Hilgardia 4(8):185-200. DOI:10.3733/hilg.v04n08p185. November 1929.
Abstract does not appear. First page follows.
A review of the literature of the last decade shows that investigators are far from being in unanimous agreement regarding the value of tests for the detection of fowls that are carriers of Bacterium pullorum. Following the findings of Jones(1) in 1912, that the agglutination test was of value for this purpose, this test came into extensive use in some sections of the country.
The rather complicated procedure of performing the agglutination test has undoubtedly been an important factor in retarding its more general employment throughout the United States for the eradication of Bacterium pullorum infection in breeding fowls. In addition, the accuracy of the test has recently been questioned by several investigators, particularly B. A. Beach, Halpin, and Lampman,(2) J. R. Beach,(3) Fitch and Lubbehusen,(4) and Newsom, Cross, and Ufford,(5) who have shown conclusively that a negative reaction to the agglutination test does not always indicate freedom from Bacterium pullorum infection. These factors have stimulated attempts to develop a test of equal or greater accuracy but simpler in application than the agglutination test.
In 1917, Ward and Gallagher(6) reported upon an intradermal test for detecting the carriers of Bacterium pullorum.
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