Abstract
Integrated broiler production operations in western Kentucky have been very successful. The reason for this success includes the fact that flocks are free of many endemic diseases for a period of time, often years, because birds are raised in virgin, disease-free territory. This case report documents that importation of birds from an area with endemic Georgia variant (GA-92) infectious bronchitis virus and Ornithobacterium rhinotracheale (ORT) bacterial infection resulted in introduction of GA-92, but not ORT, to Kentucky farms. As more broiler production units locate in western Kentucky, in the early phases of operation, they may not experience the "virgin territory," disease-free advantage.
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