Seroprevalence of anaplasmosis in the Red River Plains and south-east areas of Louisiana.
The indirect fluorescent antibody test was used to detect antibodies to Anaplasma marginale in serum samples collected from cattle in the Red River Plains and South-east areas of Louisiana. Convenience sampling of herd clusters was used. A reactor rate of 7.8% was found in 11,085 samples. Beef cattle had a 11.2% reactor rate compared with 3.8% for dairy cattle. The Angus and Angus cross-breed group had the highest reactor rate.
Morley
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Agriculture Canada, Ottawa, Ontario.
Hugh-Jones
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ME
D000367:Age Factors; D000709:Anaplasma / Q000276:immunology*; D000818:Animals; D000907:Antibodies, Bacterial / Q000032:analysis*; D002417:Cattle / Q000382:microbiology*; D005260:Female; D005455:Fluorescent Antibody Technique; D008145:Louisiana; D008297:Male
D000907:Antibodies, Bacterial