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11.
Disease of geese caused by a new herpesvirus 总被引:3,自引:0,他引:3
PJ KETTERER BJ RODWELL HA WESTBURY† PT HOOPER† AR MACKENZIE‡ JG DINGLE§ HC PRIOR 《Australian veterinary journal》1990,67(12):446-448
A goose flock farmed outdoors in south-eastern Queensland suffered an outbreak of peracute disease with high death rate (97%). Small button ulcers and large plaques overlying lymphocyte aggregates were present on the mucosa of the small intestine of affected birds. Small white foci of necrosis and focal haemorrhages were seen in the livers. Numerous intranuclear inclusion bodies were observed microscopically in hepatocytes and a herpesvirus which grew rapidly in chicken kidney cells was isolated from tissues. Duck virus enteritis (DVE) was suspected but DVE antiserums failed to neutralise the virus. Further serological studies with a limited range of known avian herpesviruses have failed to identify the virus. Experimental transmission resulted in high mortality in geese (100%), lower mortality in ducklings and nil mortality in chickens. Surveillance studies showed no evidence of infection in domestic and wild birds beyond the original farm and the infection appears not to have been established in the area. Wild ducks, which were frequent visitors to the farm dam, were considered the most likely source of the infection. 相似文献
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Pancytopenia caused by bone marrow aplasia in a horse 总被引:1,自引:0,他引:1
J P Lavoie D D Morris J G Zinkl K Lloyd T J Divers 《Journal of the American Veterinary Medical Association》1987,191(11):1462-1464
Pancytopenia was evaluated in a mature Quarter Horse gelding. A diagnosis of bone marrow aplasia was made on the basis of bone marrow hypocellularity. History of drugs administered included penicillin, oxytetracycline, trimethoprim-sulfadiazine, phenylbutazone, dipyrone, flunixin meglumine, and isoxsuprine. Clinical remission was observed after treatment with glucocorticoids, androgens, and broad-spectrum antimicrobials. 相似文献
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Patrick E. Hopper DVM Carol P. Mandell DVM MS Jane M. Turrel DVM MS Nemi C. Jain MVSc PhD Fern Tablin VMD PhD Joseph G. Zinkl DVM PhD 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》1989,3(2):79-85
Essential thrombocythemia (ET) in an 11-year-old dog was characterized by persistently high platelet counts (range, 4.19 X 10(6)/microliters to 4.95 X 10(6)/microliters, abnormal platelet morphology, marked megakaryocytic hyperplasia in the bone marrow, absence of circulating megakaryoblasts, and history of splenomegaly and gastrointestinal bleeding. Increased numbers of megakaryocytes and megakaryoblasts (15% to 20%) in the bone marrow were confirmed by a positive acetylcholinesterase reaction. Another significant finding was the presence of a basophilia in blood (4,836/microliters) and bone marrow. The marked persistent thrombocytosis, absence of reactive (secondary) thrombocytosis, abnormal platelet morphology, and quantitative and qualitative changes in the megakaryocytic series in the bone marrow suggested the presence of a myeloproliferative disease. Cytochemical and ultrastructural findings aided in the diagnosis of ET. The dog was treated with radiophosphorus. The results was a rapid decline in the numbers of megakaryoblasts and megakaryocytes in the bone marrow and platelets and basophils in the peripheral blood. The dog died unexpectedly of acute necrotizing pancreatitis and diabetes mellitus before a complete remission was achieved. 相似文献
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SUMMARY The arterial supply and venous drainage of 62 left and 5 right ovine adrenal glands is described, and the contribution of individual arteries to successful adrenal gland autotransplantation was evaluated. Arterial flow was measured by direct collection from the draining adrenal vein. Assessment of function of the transplanted adrenal gland was made from survival of the sheep and by the cortisol response to infusion of ACTH and the aldosterone secretory response to infusion of angiotensin II or potassium. For the left adrenal, the principal arterial supply was from the renal artery in 21 (34%), a lumbar artery in 32 (52%), and the anterior mesenteric artery in 3. The total blood flow was 5.0 ± SEM 0.4 mL/min, the flow from the renal branch 2.3 ± 0.3 mL/min, and the principal lumbar branch 2.6 ± 0.3 mL/min. Venous drainage from the left adrenal was via a major adrenal vein to the left renal vein, but additional tributaries to the renal vein were present in 26% . The arterial supply to the adrenal is regional and omission of a branch at transplantation could result in infarction of portion of the gland. By defining arterial supply and measuring blood flow, selection of the appropriate artery or multiple arteries can achieve an adrenal gland autotransplant survival of 90% . 相似文献
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Responses of the two‐spotted oak buprestid,Agrilus biguttatus (Coleoptera: Buprestidae), to host tree volatiles
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Diagnostic value of pericardial fluid analysis in the dog 总被引:3,自引:0,他引:3
D Sisson W P Thomas W W Ruehl J G Zinkl 《Journal of the American Veterinary Medical Association》1984,184(1):51-55
The physical, chemical, and cytologic characteristics of 50 pericardial effusions were reviewed to determine their value to the clinician for distinguishing a variety of pericardial disorders in the dog. Pericardial fluid analysis allowed identification of chylous and bacterial pericardial effusions. Overlap in the ranges of RBC counts, nucleated cell counts, and protein concentrations between dogs with neoplastic and nonneoplastic disorders precluded identification of the cause of the effusion. Of 19 neoplastic effusions, 74% were not detected on the basis of cytologic findings and 13% of 31 nonneoplastic effusates were falsely reported as positive or suspect for a neoplasm. It was concluded that pericardial fluid analysis, including cytologic examination, did not reliably distinguish neoplastic from nonneoplastic disorders. 相似文献
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