| high mortality of domestic turkeys associated with highlands j virus and eastern equine encephalitis virus infections. | high mortality occurred in two flocks of commercial turkey hens placed in southern north carolina in fall 1991. daily mortality peaked at 3.19% in flock 1 and 3.79% in flock 2. clinical signs included restlessness, somnolence, vocalization, and acute death. gross lesions included atrophy of the bursa of fabricius, thymus, and spleen, and watery intestinal contents. microscopic changes included moderate to marked lymphocyte necrosis and depletion in the bursa, thymus, and spleen, widely scattered ... | 1993 | 8395810 |