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本文报道去年6—7月炎热饲养环境条件下,从我院实验兔群病例肺组织中检出绿脓假单胞菌(Psaeruginosa):经形态、生长表现、生化特性和动物致病性试验研究,鉴定为绿脓假单胞菌性引起的肺炎。通过临床观察、病理组织学检查,本菌所致的肺炎中,磷酸脂酶破坏肺组织表面成分,使兔肺组织部分萎缩和坏死,肺细支气管粘膜上皮细胞变性、管壁结构破坏,炎症细胞浸润;肺泡隔结构破坏,相邻肺泡互相融合,从而产生外毒素,均有致病作用,同时使肝细胞发生灶性坏死。该菌按种小白鼠可在24小时内致死,回归本动物后3～4日并从血液、肺组织回收到该菌,出现临床症状1—2日内接种兔全部死亡。作者通过较详细细菌学分离,动物致病试验和病理组织学检查鉴定,探索该病发病机制为防治本病提供科学依据,从而为兔群疫病防治和为医学培养合格实验家兔打下基础,不断提高培养实验动物标准。 相似文献
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1987年8月北京市某乳牛场发生疫情,通过流行病学调查、临床观察、病理剖检及免疫荧光诊断确诊为急性牛弓形体病。该病在本市是首次发生,现报告如下。 相似文献
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2007年3～7月,垫江县几个猪场的仔猪及育肥猪出现以咳嗽、呼吸困难、发病率高、死亡率高为特征的猪的传染病。笔者对该病进行了流行病学调查、临床诊断、病理剖检、病原分离、生化鉴定和动物实验等确诊为猪支原体肺炎合并链球菌病。现报告如下: 相似文献
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2008年秋末冬初,天峨县向阳镇燕来村、下老乡纳赖村等地的马属动物发生以咳嗽、流脓性鼻涕为主要特征的传染病.该病发病率高,传染快,死亡率低,经流行病学调查、临床症状、病理剖检等初步诊断为马属动物传染性胸膜肺炎. 相似文献
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2008年4月5日至4月15日期间,共和县黑马河乡加隆村暴发一起致死性流行性疫病,死亡牦牛数10头.经流行病学调查、临床症状、病理剖检、实验室检验,诊断为牦牛多杀性巴氏杆菌病.经过采取有效措施控制了该病的流行. 相似文献
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R.A. Curtis R.G. Thomson W.C.D. Sandals 《The Canadian veterinary journal. La revue veterinaire canadienne》1979,20(5):141-142
Atypical interstitial pneumonia is described as two clinical syndromes in young cattle. One syndrome occurs in animals which have clinical evidence of pneumonic pasteurellosis, responds initially to treatment for one to two days and then develops acute signs of atypical interstitial pneumonia. The second syndrome involves acute respiratory distress in young calves due to atypical interstitial pneumonia with antecedents of enzootic pneumonia. The postmortem lesions are described along with discussion of the possible pathogenesis of the condition and treatment. 相似文献
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Hagiwara Y Fujiwara S Takai H Ohno K Masuda K Furuta T Nakayama H Doi K Tsujimoto H 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2001,63(3):349-351
Pneumocystis carinii pneumonia was diagnosed by postmortem examination of a one-year-old Cavalier King Charles Spaniel with four-week history of dyspnea. Cytologic and histologic examination of lung tissues revealed numerous P. carinii trophozoites and cysts, and P. carinii specific DNA was detected by polymerase chain reaction. The dog showed hypogammagloblinemia and extremely low levels of serum IgG. It was considered that P. carinii pneumonia in this case was associated with an immunodeficient condition which has already been reported in Miniature Dachshunds. 相似文献
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Comparison of the effect of pneumonia detected during lifetime with pneumonia detected at slaughter on growth in swine 总被引：3，自引：0，他引：3
E P Noyes D A Feeney C Pijoan 《Journal of the American Veterinary Medical Association》1990,197(8):1025-1029
Pneumonia in swine has been studied mainly at slaughter or necropsy. However, when performing slaughter or postmortem examinations, assessment of the true prevalence or lifetime extent of pneumonia is at best speculative. Radiography was used to evaluate lungs from pigs 21 to 150 days old. Follow-up slaughter examination was performed on pigs 180 days old. Individual percentage of pneumonia observed over the life of each pig and at slaughter were added to yield lifetime pneumonia scores. A significant (P = 0.0001) negative effect of lifetime pneumonia on growth rate was found. By comparison, slaughter examination proved to be a poor indicator of lifetime pneumonia; lesions were found to progress and regress dynamically throughout the life of pigs. 相似文献
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Krysak DE 《The Canadian veterinary journal. La revue veterinaire canadienne》2006,47(10):1019-1022
A feedlot heifer was diagnosed with chronic pneumonia and polyarthritis syndrome (CPPS), which was confirmed on postmortem examination. The syndrome is caused by Mycoplasma bovis; however, available data support the theory that other pathogens play a role in predisposing to this disease. Continued research on CPPS focuses on pathogenesis, treatment, and prevention. 相似文献
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Ultrasonography was used to diagnose pericardial effusion, atrial dilatation and liver masses in a spur-thighed tortoise which was more than 80 years old and suffering from posthibernation anorexia, lethargy, oedema and pneumonia. The tortoise was treated twice with frusemide and ceftazidime for the pneumonia, resulting each time in a temporary remission for about a month. After a further recurrence, the animal was euthanased and the lesions predicted by ultrasound were confirmed postmortem. It is suggested that ultrasound may be useful for the differentiation of cardiac problems from other causes of posthibernation lethargy in the tortoise. 相似文献
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A virus with growth and morphologic characteristics of progressive pneumonia (maedi-visna) virus was isolated from the lungs of sheep with typical clinical and postmortem changes of chronic progressive pneumonia. The virus grew slowly in cultures of embryonic ovine lung cells, causing syncytial formation and degeneration. Syncytia developed much slower and involved fewer cells than reported for other similar viruses isolated from sheep. As seen with the electron microscope, the virus reproduced by budding from cell surfaces. Two types of virions were seen-a large particle (120 to 140 nm) with an electron-lucent center and dense laminated outer rim, and a small particle (80 to 110 nm) with an electron-dense core surrounded by a single membrane. Viral structures and fragments similar to the large extracellular particles were seen in the cytoplasm of a few cells. These characteristics are reported for other viruses isolated from sheep with progressive pneumonia. 相似文献
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C H Armstrong A B Scheidt H L Thacker L J Runnels M J Freeman 《Canadian journal of veterinary research》1984,48(3):278-281
Ten swine from each of five herds believed to be affected with mycoplasmal pneumonia of swine and ten swine from each of five herds believed to be mycoplasmal pneumonia-free were selected for postmortem study. Lungs from the 100 swine were examined; grossly and microscopically for lesions typical of mycoplasmal pneumonia of swine and culturally and by an indirect immunofluorescent procedure for the presence of Mycoplasma hyopneumoniae. Nineteen of the lungs had both gross and microscopic lesions typical of mycoplasmal pneumonia of swine and 13 (68%) of these were infected, i.e. were culturally and/or indirect immunofluorescent positive. Absence of gross lesions did not prove freedom from mycoplasmal pneumonia, 14 of 73 (19%) grossly normal lungs were found to be infected with M. hyopneumoniae. Comparison of the indirect immunofluorescent and cultural examination, as methods of diagnosing mycoplasma pneumonia, revealed that neither procedure alone was reliable in the case of negative results. Ten lungs were indirect immunofluorescent negative and culturally positive and seven were culturally negative and indirect immunofluorescent positive (11 lungs were positive by both procedures). It was concluded that a definitive diagnosis of mycoplasmal pneumonia of swine requires that M. hyopneumoniae be visualized in indirect immunofluorescent stained lung sections or that it be recovered culturally. 相似文献
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SHERRIL L. GREEN DVM DAVID A. HAGER DVM MARON B. CALDERWOOD MAYS VMD PHD A. M. MERRITT DVM MS 《Veterinary radiology & ultrasound》1987,28(6):216-219
A 7-month-old Quarter horse colt developed acute diarrhea, laminitis, bilateral uveitis, and severe respiratory distress after intramuscular injection with a bacterial vaccine. Thoracic radiographs revealed diffuse unstructured, nodular interstitial, and peribronchial opacities throughout the lung. Despite intensive supportive therapy, the colt became progressively hypoxemic and died. At postmortem examination, severe multifocal to coalescing hemorrhagic, necrotizing fibrinous pneumonia was found. Histologic study revealed numerous branched septate fungal hyphae diffusely distributed throughout the lung parenchyma. Fungal culture of lung tissue grew Aspergillus fumigatus. This report presents the radiographic, clinical, and pathologic features of acute mycotic pneumonia in horses. 相似文献
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D. B. Thompson B.V.Sc. P. B. Spradbrow B.V.Sc. Ph.D.† M. J. Studdert M.V.Sc. Ph.D.‡ 《Australian veterinary journal》1976,52(10):435-437
Some details of the clinical and postmortem findings of an Arab foal that died as a consequence of adenoviral pneumonia superimposed on a combined immunodeficiency disease are provided. The foal was the 17th in a series of similar deaths that occurred on a farm since 1959. An adenovirus, which by haemagglutination inhibition and serum neutralisation tests was antigenically similar to 2 other equine adenoviruses isolated in Australia, was isolated from a nasal swab taken from the foal when it was 23 days of age. 相似文献
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A Simmentaler x Braunvieh calf had been anorexic during its first 36 hours of life, had a loud heart murmur and was suspected to have pneumonia. In the light of the results of radiographic and echocardiographic examinations, right heart catheterisation and angiography, a diagnosis of persistent truncus arteriosus and patent foramen ovale was made. The diagnosis was confirmed on postmortem examination. 相似文献