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排序方式: 共有56条查询结果,搜索用时 15 毫秒
1.
Christopher L. Mariani DVM Simon R. Platt BVMS MRCVS Susan M. Newell DVM MS Scott P. Terrell DVM Cheryl L. Chrisman DVM MS EDS Roger M. Clemmons DVM PhD 《Veterinary radiology & ultrasound》2001,42(6):524-531
A 3-year-old neutered female mixed breed dog was examined because of severe, generalized seizure activity, tetraparesis, and encephalopathic signs. Cerebrospinal fluid (CSF) evaluation was unremarkable except for a mild increase in protein. Serum and CSF titers for infectious diseases were negative. Magnetic resonance (MR) imaging examination of the brain was performed and lesions were found within the cerebral gray matter of the temporal and parietal lobes. The lesions had increased signal intensity on T1, T2, and proton density-weighted images. There was mild inhomogeneous enhancement following intravenous contrast medium administration. Neurologic status improved and the seizures were well controlled, but the dog never regained normal mentation and euthanasia was performed 10 weeks after initial evaluation. At necropsy, severe cerebral cortical necrosis was found in the regions corresponding to the lesions seen on MR imaging examination. Large numbers of fat-containing macrophages (gitter cells) were found within these areas, and are thought to be responsible for the characteristic hyperintensity seen on the MR images. 相似文献
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Deidre K Fontenot Scott P Terrell Michele Miller Patricia K Robbins Mark Stetter Martha Weber 《Journal of zoo and wildlife medicine》2005,36(3):509-511
A 10-yr-old male gorilla (Gorilla gorilla gorilla) with a history of conspecific bite wounds was evaluated for acute onset of depression, anorexia, and right hemiparesis. The animal was immobilized for diagnostic examination and treatment for suspected toxic shock from a necrotizing, emphysematous wound infection, but was euthanized due to complications during recovery. Gross and histopathologic examination revealed acute necrotizing myositis, fasciitis, cellulitis, and emphysema in the affected wound area, with large numbers of large Gram-positive rods among necrotic muscle fibers. Severe pulmonary edema with airways containing fibrin, acute hemorrhage in multiple body sites, thrombosis in blood vessels in the skeletal muscle, liver, and lung, and lymph node hyperplasia with lymphoid necrosis and hemorrhage. Immunohistochemical fluorescent antibody staining of muscle from the wound site was positive for 相似文献
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C A Holmberg B I Osburn T G Terrell J S Manning 《American journal of veterinary research》1978,39(3):469-472
Cells from malignant lymphoma in 10 rhesus macaques were examined for lymphocyte surface markers. Three had features of T cells, 5 had features of B cells, and 2 lacked evidence of either B- or T-cell differentiation. Correlation between the histologic classification of cell type and the B- or T-cell nature of the neoplasms was not evident. Evaluation of serum electrophoresis, mitogen responses tests, and previous histologic studies suggest that the development of the neoplastic lymphocyte proliferation occurred following or during an abnormal immunologic response. 相似文献
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The effect was determined of a single dose of 2 mg kg-1 diphacinone on three blood-clotting parameters [Prothrombin Time (PT), Partial Thromboplastin Time (PTT), and Protein Induced by Vitamin K Absence or Antagonists (PIVKA)] over a 120-h period in California ground squirrels, Spermophilus beecheyi. Diphacinone resulted in elevated PT, PTT and PIVKA within 24 h of squirrels receiving the dose. The most significant change was observed 72 h after dosing. As time following diphacinone dosing increased, there was higher individual variation in blood-clotting time. We suggest that increasing the interval between field bait applications should still result in squirrel mortality but reduce the potential for secondary hazards that may occur when squirrels have the opportunity to consume more than one lethal dose of diphacinone. 相似文献
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Roger A. BALDWIN Terrell P. SALMON Robert H. SCHMIDT Robert M. TIMM 《Integrative zoology》2014,9(3):265-279
Many wildlife species cause extensive damage to a variety of agricultural commodities in California, with estimates of damage in the hundreds of millions annually. Given the limited availability of resources to solve all human–wildlife conflicts, we should focus management efforts on issues that provide the greatest benefit to agricultural commodities in California. This survey provides quantitative data on research needs to better guide future efforts in developing more effective, practical and appropriate methods for managing these species. We found that ground squirrels, pocket gophers, birds, wild pigs, coyotes and voles were the most common agricultural wildlife pest species in California. The damage caused by these species could be quite high, but varied by agricultural commodity. For most species, common forms of damage included loss of crop production and direct death of the plant, although livestock depredation was the greatest concern for coyotes. Control methods used most frequently and those deemed most effective varied by pest species, although greater advancements in control methods were listed as a top research priority for all species. Collectively, the use of toxicants, biocontrol and trapping were the most preferred methods for control, but this varied by species. In general, integrated pest management practices were used to control wildlife pests, with a special preference for those approaches that were efficacious and quick and inexpensive to apply. This information and survey design should be useful in establishing research and management priorities for wildlife pest species in California and other similar regions. 相似文献
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Casimire-Etzioni AL Wellehan JF Embury JE Terrell SP Raskin RE 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2004,33(1):43-46
A 4.5-year old, male African spur-thighed tortoise (Geochelone sulcata) was presented to the University of Florida Veterinary Teaching Hospital with a 2-week history of lethargy, anorexia, constipation, dyspnea, and coughing up fluid or vomiting. Laboratory results included an inflammatory leukogram and a marked increase in plasma uric acid concentration. Synovial fluid from multiple joints was thick, chalky white, and opaque, with a grainy consistency. Microscopically, the fluid contained numerous brown, needle-like crystals consistent with urates (gout). Gross necropsy findings and histopathology confirmed a diagnosis of systemic gout, with urate deposition, gout tophi, and underlying necrosis in multiple organs, including kidneys, lung, and liver. Dehydration with concurrent renal insufficiency may have impaired urate excretion and led to a build-up of urates in the blood and tissues of this tortoise. A high protein diet also may have contributed to the development of gout. Cytologic evaluation of synovial fluid can be used as a quick and definitive tool to diagnose gout in tortoises. 相似文献