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Surgical management of a large colorectal diverticulum in a dog A 10-year-old crossbred dog had a lour month history of intermittent rectal prolapse. Castration and use of stool softeners had been attempted to control tenesmus and obstipation. Examination per rectum was normal. Three months later colopexy was performed and the dog began defecating normally immediately after surgery. After one month, obstipation and tenesmus returned. Initially, faeces were misshapen and ribbon-like, then defecation stopped. Palpation per rectum revealed a band-like ventral mucosal fold approximately 6 cm Irom the anus. A contrast study demonstrated a large (4X2 cm), well-defined diverticulum in the colorectum. Diverticulectomy was performed using a surgical stapling device, which allowed rapid excision and substantially reduced risk of faecal contamination. Recovery was good and the dog remained clinically normal, although a slight narrowing of the colorectum was seen radiographically. 相似文献
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The clinical, haematological and immunological findings in 24 dogs with Coombs' positive haemolytic anaemia are described; 33% were Old English Sheepdogs. Dogs with intravascular haemolysis had a shorter history of illnesses, more severe clinical signs including vomiting, jaundice and fever, and had a poor survival rate compared to dogs with extravascular haemolysis. The anaemia was severe and regenerative in 18 dogs, and was characterised by spherocytosis and microscopic red cell agglutination, with leukocytosis. Serum IgG levels were elevated in 20 dogs, and changes in IgM, IgA, C3 and C4 were found. Antinuclear antibody was also demonstrated in 13 dogs, of which 7 were Old English Sheepdogs. It is suggested that a distinct multisystem autoimmune syndrome exists within the local Old English Sheepdog population. 相似文献
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The community composition of Carabid beetles, some species ofwhich are known predators of pine beauty moth, was examinedwithin a Scottish plantation forest. Sites differing in soiltype and the species of trees planted were sampled with pitfalltraps in most weeks of a 3—year period. There were faunaldifferences between sites with lodgepole pine on deep peat andother sites in the study (lodgepole pine on iron-pan soil, speciesmixture of lodgepole and Scots pine, and pure stands of Scotspine). In general deep peat sites supported fewer species andindividuals of carabids. Three Carabus species were implicatedas likely predators of Panolis flammea pupae and each was lessabundant on the sites with lodgepole pine. It is suggested thatthe susceptibility to pine beauty moth of lodgepole pine growingon deep peat substrates is at least partly attributable to impoverishedpredator faunas. 相似文献
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Between 1993 and 1994 over 160 forest sites were sampled toobtain indices of pine weevil (Hylobius abietisL.) densities.Overall 48 variables were tested for their ability to explainvariation in weevil numbers between compartments. The modelsgenerated from the sample data identified 14 variables as significantin influencing weevil densities. In this research note the variablesare identified, and their relationship to forest managementdiscussed 相似文献
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Associations between Forest Type and Invertebrates: Ground Beetle Community Patterns in a Natural Oakwood and Juxtaposed Conifer Plantations 总被引：1，自引：0，他引：1
The character of carabid communities in juxtaposed conifer plantationand natural oak woodland was assessed and each found to be quitedistinctive. Distinctions arose from the differential abundanceof species and a lower species number in the natural oak woodland.Species at sample sites in the oak woodland, occurred with atleast equal frequency at sites in the conifer plantations. Therelatively species rich communities of ground beetles in areasafforested with conifers may have been derived partly from uplandblanket peat and heath, and partly from older woodland. At thetransition zone between the two main woodland types there wasan abrupt change in community character but none of the changesin species abundance could be interpreted as being detrimentalto the quality of carabid fauna in the oak woodland. 相似文献
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The paper considers in detail the evidence from the examinationof some Sitka spruce (Picea sitcbensis Carr.) 35 to 50 yearsold, and old enough therefore to begin to reflect the potentialitiesof the sites occupied which are normally considered suitablefor the species. The examination was made to ascertain whatfactors other than parasitic infestations or infections wereacting to cause the thinning of crowns, the death of trees,and the susceptibility to wind-throw. In these shallow soils,factors of fundamental importance are those which determinethe regularity of the supply of water and air, and it is consideredthat where, as in the cases examined, the soils are mainly intractable,early development of disease and of wind-throw will have tobe expected. 相似文献
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M. J. DAY W. J. PENHALE R. P. McKENNA J. N. MILLS D. A. PASS 《The Journal of small animal practice》1987,28(2):147-156
Clinical and laboratory findings are presented from two cases of canine IgA multiple myeloma. One of these animals presented with typical clinical and pathological changes including haematological abnormalities and skeletal lesions with secondary invasion of other organs. In contrast, the primary focus of disease in the second dog was the anterior alimentary tract and there were no skeletal changes. In this respect this second case was similar to the condition in man known as alpha chain disease. The two paraproteins differed in electrophoretic mobility. 相似文献
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THOMAS K. DAY DVM MS Diplomate ACVA WILLIAM W. MUIR III DVM PhD Diplomate ACVA 《Veterinary surgery : VS》1994,23(3):206-212
Complete atrioventricular (AV) block was produced in 32 chloralose-anesthetized autonomically intact dogs to determine the effects of halothane, enflurane, and isoflurane on supraventricular and ventricular rate. Halothane (n = 17), enflurane (n = 6), and isoflurane (n = 9) were administered in three separate experiments in sequential minimum alveolar concentration (MAC) multiples of 0.5, 1.0, 1.5, 2.0, 1.5, and 1.0. Supraventricular rate, ventricular rate, and mean arterial blood pressure (MAP) were measured and recorded at baseline and after a 20-minute equilibration period of each inhalation anesthetic at each MAC multiple. Increasing concentrations of enflurane and isoflurane significantly decreased supraventricular rate ( P < .05). Ventricular rate was not significantly changed by sequential MAC multiples of halothane, enflurane, and isoflurane. Increasing concentrations of halothane, enflurane, and isoflurane significantly decreased MAP with enflurane producing the most significant decrease ( P < .05). Ventricular arrhythmias occurred in 5 of 17 dogs anesthetized with halothane and 1 of 9 dogs anesthetized with isoflurane. Inhalation anesthesia can significantly decrease supraventricular rate and MAP, does not alter ventricular rate, and can produce ventricular arrhythmias in dogs with complete AV block. 相似文献