An outbreak of adenoviral infection in inland bearded dragons (Pogona vitticeps) coinfected with dependovirus and coccidial protozoa (Isospora sp.)

被引:45
作者
Kim, DY [1 ]
Mitchell, MA
Bauer, RW
Poston, R
Cho, DY
机构
[1] Louisiana State Univ, Dept Pathobiol Sci, Sch Vet Med, Baton Rouge, LA 70803 USA
[2] Louisiana State Univ, Dept Vet Clin Sci, Sch Vet Med, Baton Rouge, LA 70803 USA
[3] Louisiana Vet Med Diagnost Lab, Baton Rouge, LA 70803 USA
关键词
D O I
10.1177/104063870201400411
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Thirty of 200 (15%) hatchling inland bearded dragons were found dead after a short period (48 hours) of weakness and lethargy. The most common clinical signs were head tilt and circling. Six bearded dragons with neurological signs were euthanized, and postmortem examination revealed no gross abnormalities. Microscopically, severe, randomly distributed hepatocellular necrosis with large basophilic intranuclear inclusion bodies in numerous hepatocytes was noted. Small-intestinal enterocytes contained intracytoplasmic coccidial protozoa (Isospora sp.) and occasional enterocytes had basophilic intranuclear inclusion bodies. Transmission electron microscopy revealed both 80- and 20-nm-diameter viral particles, which were consistent with adenoviruses and dependoviruses, respectively. Adenoviral outbreaks in groups of animals are uncommon. An adverse synergistic effect of the coccidiosis with the adenoviral infection may have played a critical role in the high morbidity and mortality in this case.
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页码:332 / 334
页数:3
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