Abstract
Agglutination tests have been used by several researchers for the detection of Arizona group (AG) carrier turkeys. Hinshaw and McNeil (9) reported that survivors from AG infection at the poult age reacted to 0 or H agglutination with very low frequency. Frequency of Arizona isolation was considerably higher among reactors necropsied (8). Goetz (7) used H agglutination for the detection of carrier birds. The present authors found well developed agglutinins of both somatic and flagellar types in inoculated turkeys, but the levels decreased rapidly. Naturally infected birds had the same tendency toward a rapid fall in titer of agglutinins. Within 14 weeks, the tendency was more evident in H agglutinins. Almost all birds observed had no H agglutinins after surviving systemic infection, even though the birds harbored AG (unpublished data). This study was done primarily to determine the character of agglutinins, especially 0 agglutinins, for AG in turkeys. In addition, indirect hemagglutination and antiglobulin tests were investigated to determine if these procedures were more sensitive than the standard saline test.
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