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Автор описывает редкий случай подвывиха и ложного анкилоза 2 венечных суставов передних конечностей у 15 летней лошади. Радиологическое и секционное исследование подтвердило согласие патологических изменений с симптомами болезн. В возникновении этого увечия пальцев лошади существенное значение имели ревматический артрит и миозит. Предрасполагающими факторами ревматического заболевания были рефлекторные задражения из желудочно-кишечного тракта, мочевого органа и кожи.
The aim of the study was the presentation of selected and recognized by autopsy and histopathology of cases with the development of internal organ infarction. The study was performed on 5 dogs and 1 cat, which died for different reasons and were autopsied in the Division of Pathological Anatomy, Department of Clinical Sciences of the Agricultural University of Warsaw from 2005 to 2006. In each particular case the clinical history was noted, additional laboratory findings were known in some cases. In each case autopsy and histopathological examination of the tissue samples was performed. Final diagnosis was established on the basis all diagnostic tests performed. The presence of the infarctions was recognized in 5 dogs and 1 cat: the animals were of different ages (4-12 years), of different breeds and both sexes. Lesions were localized in various internal organs, most often they were multiple (4 cases), and rarely were observed in one organ (2 cases); the spleen and lung were the most observed localization. In some cases infarctions were the direct or indirect cause of an animal’s death, in others they were incidental findings. It seems that the infarctions are rather rarely observed in companion animals, and their recognition is very difficult clinically. The pathomechanisms of infarction development are various but in most cases are associated with hypercoagulable states during the different pathologic processes.
The aims of the study were as follows: a) presentation of the clinical course of primary lung neoplasms in cats and relevant radiographic and autopsy findings, b) comparison of radiographic findings with autopsy results and the course of pathologic process, as well as tracing the mechanism of the tumour development responsible for the character and intensity of clinical symptoms. The study was performed on 2 older (11 and 14 years), neutered female cats, which were euthanized because of severe respiratory distress. The autopsy and histopathological examination of the tissue samples were performed. On the basis of the microscopic examination of tissue specimens two cases of undifferentiated bronchioloalveolar carcinomas were diagnosed. The initial diagnosis of primary lung tumours was based on radiographic findings, although RTG picture was different in each case. Clinical course and laboratory data were unspecific, however leukocytosis with granulocytosis and an increase in erythrocytes were observed in both cases. Despite the same histological type of the tumour in both cases, the clinical courses of disease were different because of different spread routes of the neoplastic process (hematogenic route vs. infiltration of surrounding tissues)
The purpose of the study was to evaluate intestinal parasite infections in riding horses from one stud farm and 5 riding clubs based on fecal egg counts, and in working horses on the basis of necropsy. The prevalence of strongyles was similar in stud farm and clubs (71.0% and 36.3%-87.1%, respectively), with higher egg counts in the farms (924) compared to the clubs (302-515). Larvae differentiation indicated a very low prevalence of large strongyles in the above horses. Parascaris equorum was not very prevalent in adult Arabian horses (0.5%), while 3.7-21% of horses in clubs were infected. Anoplocephala spp. was not very prevalent in Arab- -horse farms (6.7%) and in riding clubs (0-1.8%). 4 large strongyle, 14 small strongyle species and 5 other species of parasites were found in fourteen horses slaughtered for meat. The results indicated a high prevalence of large strongyles (S. vulgaris 64.3%, S. equinus 21.4%, and Triodontophorus spp. 14.3%-21.4%). The most prevalent cyathostome species were Coronocyclus coronatus (57.1%), Cylicocyclus nassatus (50.0%) and Cyathostomum catinatum (42.9%). Tapeworm and botfly infections were found in individual cases (7.1%). Horses in Arab farm and riding clubs were routinely de-wormed twice a year. It was noted that no anthelmintics had been used in the slaughtered horses. The results revealed that small strongyles (cyathostomes) are the most common intestinal parasites in horses despite regular anthelmintic treatment. In addition it seems important to take S. vulgaris infection into account when diagnosing abdominal pain, i.e. colic in un-wormed horses (working or kept in organic farming systems).
The objective of this study was to evaluate the level of tapeworm infections based on fecal sample examinations (McMaster method) in Arabian horses from two stud farms and post-mortem investigations in horses slaughtered for meat from small farms. The mean seasonal prevalence of tapeworm infection based on fecal sample examinations was 7.0% and 4.1% in the two stud farms. Tapeworm eggs were found more often in 2-year-old horses and mares than in yearlings, while they were not found in housed stallions. The prevalence of the infection was highest in April (9.3%) in one stud farm and in October (8.5%) in the second. Based on post-mortem examinations, A. perfoliata were found in 6 (7.2%) among 83 examined horses. A mean intensity of infection was 71.2 specimens, with a maximum 367 specimens found. Infection was revealed in 5.2% of mares and 12% of geldings and stallions as well as in one foal (4.5%). The average annual prevalence of tapeworm infections of horses from stud farms based on fecal sample examinations was small, from 4.1% to 7.0%. The dynamic of tapeworm infections of horses from stud farms was different during the pasture season. The mean prevalence of tapeworm infections of horses from individual breeding systems based on necropsy was similar: 7.2%.
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