Littérature scientifique sur le sujet « Ovine pneumonia »

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Articles de revues sur le sujet "Ovine pneumonia"

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Mekibib, Berhanu, Tadesse Mikir, Amene Fekadu, and Rahmeto Abebe. "Prevalence of Pneumonia in Sheep and Goats Slaughtered at Elfora Bishoftu Export Abattoir, Ethiopia: A Pathological Investigation." Journal of Veterinary Medicine 2019 (July 18, 2019): 1–10. http://dx.doi.org/10.1155/2019/5169040.

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Accurate clinical diagnosis of pneumonia, the leading cause of mortality in small ruminants, is difficult and usually requires postmortem examination of the lungs. An active abattoir survey was conducted between November 2017 and April 2018 to estimate the prevalence and characterize the gross and histopathological lesions of pneumonic lungs in 864 clinically healthy young small ruminants (490 sheep and 374 goats aged 1.5 to 3 years) raised for meat in different parts of the country and slaughtered at Elfora Bishoftu export abattoir, Ethiopia. Out of the total lungs examined grossly, pneumonic
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Deng, P., R. C. Cutlip, H. D. Lehmkuhl, and K. A. Brogden. "Ultrastructure and Frequency of Mastitis Caused by Ovine Progressive Pneumonia Virus Infection in Sheep." Veterinary Pathology 23, no. 2 (1986): 184–89. http://dx.doi.org/10.1177/030098588602300212.

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Twenty-five sheep, experimentally ( n = 15) or naturally ( n = 6) infected with ovine progressive pneumonia virus and noninfected controls ( n = 4), were evaluated for histological and ultrastructural lesions of mastitis. Histologically, nine of 15 experimentally infected sheep and all six naturally infected sheep had lympho-plasmacytic mastitis. Severity of the lesion increased with length of time after infection. Periductal lymphatic nodules were seen in five sheep experimentally infected for 2.8 years or longer and in five naturally infected sheep that wore 3.7 years old or older. Ultrastru
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Kuroda-Kitagawa, Yuko, Chieko Suzuki-Muramatsu, Tsuyoshi Yamaguchi, Hideto Fukushi, and Katsuya Hirai. "Antigenic analysis of Chlamydia pecorum and mammalian Chlamydia psittaci by use of monoclonal antibodies to the major outer membrane protein and a 56- to 64-kd protein." American Journal of Veterinary Research 54, no. 5 (1993): 709–12. http://dx.doi.org/10.2460/ajvr.1993.54.05.709.

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Summary Monoclonal antibodies were prepared against 40- and 56- to 64-kd antigens of Chlamydia pecorum strain Maeda, which was isolated from a cow with pneumonia. Using the monoclonal antibodies, 5 strains of C pecorum, 25 strains of mammalian and 19 strains of avian C psittaci, 1 strain of C pneumoniae, and 3 strains of C trachomatis were analyzed for immunologic reactivity by use of the indirect immunofluorescent test. Monoclonal antibody analysis revealed immunologic relatedness between C pecorum and mammalian strains of C psittaci, which were completely differentiated from the other avian
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Cutlip, R. C., H. D. Lehmkuhl, and R. L. Wood. "Arthritis associated with ovine progressive pneumonia." Journal of the American Veterinary Medical Association 186, no. 8 (1985): 814. https://doi.org/10.2460/javma.1985.186.08.814a.

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Cutlip, Randall C., Howard D. Lehmkuhl, Richard L. Wood, and Kim A. Brogden. "Arthritis associated with ovine progressive pneumonia." American Journal of Veterinary Research 46, no. 1 (1985): 65–68. https://doi.org/10.2460/ajvr.1985.46.01.65.

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SUMMARY Chronic nonsuppurative arthritis developed in carpal and tarsal joints of border Leicester sheep that were naturally or experimentally infected with ovine progressive pneumonia (opp) virus. Clinical signs of arthritis began at 1 to 6.2 years of age (1 to 5.7 years after inoculation of opp virus) and slowly progressed in severity until the sheep died or were killed. The joint lesions were characterized by edema, hyperemia, hyperplasia, and necrosis of the synovial membrane; by necrosis and erosion of articular bone; by necrosis and fibrosis of subchondral bone; and by extensive periarti
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de la Concha-Bermejillo, Andrés. "Maedi-Visna and Ovine Progressive Pneumonia." Veterinary Clinics of North America: Food Animal Practice 13, no. 1 (1997): 13–34. http://dx.doi.org/10.1016/s0749-0720(15)30362-5.

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Rosadio, R. H., J. M. Sharp, M. D. Lairmore, J. E. Dahlberg, and J. C. De Martini. "Lesions and Retroviruses Associated with Naturally Occurring Ovine Pulmonary Carcinoma (Sheep Pulmonary Adenomatosis)." Veterinary Pathology 25, no. 1 (1988): 58–66. http://dx.doi.org/10.1177/030098588802500108.

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Five sheep with ovine pulmonary carcinoma were markedly dyspneic and had sporadic coughing; two had copious watery nasal exudate. In four, lesions consisted of multifocal nodules of neoplastic cuboidal epithelial cells in acinar or papillary patterns. Electron microscopically, cells had microvilli, tight junctions, and cytoplasmic lamellar bodies typical of alveolar type II cells. One sheep had a single lung tumor of nonciliated bronchiolar epithelial cells. Vacuolated alveolar macrophages surrounded adenomatous foci. One sheep had a metastatic lesion in the caudal mediastinal lymph node. All
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Lairmore, M. D., S. T. Butera, G. N. Callahan, and J. C. DeMartini. "Spontaneous interferon production by pulmonary leukocytes is associated with lentivirus-induced lymphoid interstitial pneumonia." Journal of Immunology 140, no. 3 (1988): 779–85. http://dx.doi.org/10.4049/jimmunol.140.3.779.

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Abstract Ovine lentiviruses share genome sequence, structural features, and replicative mechanisms with HIV, the etiologic agent of AIDS. A lamb model of lentivirus-induced lymphoid interstitial pneumonia, comparable to lymphoid interstitial pneumonia associated with pediatric AIDS, was used to investigate production of leukocyte-soluble mediators. Lentivirus-infected lambs and adult sheep with severe lymphoid interstitial pneumonia had significantly elevated levels of spontaneous interferon (IFN) production from pulmonary leukocytes compared with ovine lentiviruses-infected animals with mild
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Cutlip, Randall C., Howard D. Lehmkuhl, Mary Jo F. Schmerr, and Kim A. Brogden. "Ovine progressive pneumonia (maedi-visna) in sheep." Veterinary Microbiology 17, no. 3 (1988): 237–50. http://dx.doi.org/10.1016/0378-1135(88)90068-5.

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Cutlip, Randall C., and Howard D. Lehmkuhl. "Eradication of ovine progressive pneumonia from sheep flocks." Journal of the American Veterinary Medical Association 188, no. 9 (1986): 1026–27. https://doi.org/10.2460/javma.1986.188.09.1026.

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SUMMARY Two management methods for controlling ovine progressive pneumonia in sheep were evaluated. By a test and cull method, wherein seropositive sheep were culled from the flock, the causative virus was eradicated from a closed flock and controlled in an open flock. By an isolate-and-test method, wherein lambs were removed from infected ewes before nursing and reared in isolation, the virus was eradicated in 1 of 2 attempts to establish virus-free flocks. It was concluded that either method should be effective in controlling ovine progressive pneumonia. Results indicated that annual serolog
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Thèses sur le sujet "Ovine pneumonia"

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Guimarães, Lorena Lima Barbosa. "Achados clínicos e patológicos de sete surtos de Língua Azul em ovinos em 2014 no Rio Grande do Sul, Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/115190.

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A infecção pelo Vírus da Língua Azul (VLA) ocorre em ruminantes domésticos e selvagens, preferencialmente, ovinos, bovinos e caprinos em regiões tropicais e temperadas onde há o vetor, mosquito do gênero Culicoides. O objetivo do trabalho é descrever os aspectos clínicos e anatomopatológicos de sete surtos de infecção pelo VLA em ovinos no Rio Grande do Sul, confirmados pelo isolamento viral e teste da RT-PCR. De janeiro a outubro de 2014 foram diagnosticados sete surtos de infecção pelo VLA em ovinos no estado do Rio Grande do Sul com histórico de mortalidade de ovinos nos municípios de Taqua
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Rosa, Eric Pivari [UNESP]. "Soroprevalência da pneumonia progressiva ovina (Maedi-Visna) na região de Botucatu-SP." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/89264.

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Made available in DSpace on 2014-06-11T19:23:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-07-12Bitstream added on 2014-06-13T18:48:25Z : No. of bitstreams: 1 rosa_ep_me_botfmvz.pdf: 165229 bytes, checksum: 697ad7c59c3b82def1308133fdf3f932 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>O presente estudo visou determinar a soroprevalência da pneumonia progressiva ovina na região de Botucatu mediante prova de imunodifusão em gel de agar (IDGA). Foram avaliadas 400 amostras de soro sangüíneo de ovinos de oito propriedades de corte, com criação em si
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Rosa, Eric Pivari. "Soroprevalência da pneumonia progressiva ovina (Maedi-Visna) na região de Botucatu-SP /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/89264.

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Orientador: Rogério Martins Amorim<br>Banca: Márcio Garcia Ribeiro<br>Banca: Júlio Augusto Naylor Lisboa<br>Resumo: O presente estudo visou determinar a soroprevalência da pneumonia progressiva ovina na região de Botucatu mediante prova de imunodifusão em gel de agar (IDGA). Foram avaliadas 400 amostras de soro sangüíneo de ovinos de oito propriedades de corte, com criação em sistema semi-intensivo, de diferentes municípios da região. Nenhuma das amostras de soro foi reagente na prova de IDGA. Com base nos resultados obtidos, foi verificada uma discordância com estudos realizados em outros est
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Silva, Andreza Amaral da [UNESP]. "Estudo clínico, hemagasométrico e do estresse oxidativo em ovinos clinicamente sadios portadores de pneumonia." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/101285.

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Made available in DSpace on 2014-06-11T19:31:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-02-09Bitstream added on 2014-06-13T20:41:36Z : No. of bitstreams: 1 silva_aa_dr_botfmvz.pdf: 1478521 bytes, checksum: 3590a41144246c2ed3a4619905b51919 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Nas espécies domésticas as pneumonias cursam com intensa resposta inflamatória e acúmulo de células fagocíticas nos pulmões, levando a danos expressivos das estruturas do trato respiratório e à função pulmonar devido ao estresse oxidativo decorrente da liberação de gran
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Silva, Andreza Amaral da. "Estudo clínico, hemagasométrico e do estresse oxidativo em ovinos clinicamente sadios portadores de pneumonia /." Botucatu, 2012. http://hdl.handle.net/11449/101285.

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Orientador: Roberto Calderon Gonçalves<br>Banca: Simone Biagio Chiacchio<br>Banca: Raimundo de Souza Lopes<br>Banca: Fernando José Benesi<br>Banca: Débora Cristina Damasceno<br>Resumo: Nas espécies domésticas as pneumonias cursam com intensa resposta inflamatória e acúmulo de células fagocíticas nos pulmões, levando a danos expressivos das estruturas do trato respiratório e à função pulmonar devido ao estresse oxidativo decorrente da liberação de grandes quantidades de Espécies Reativas do Oxigênio (ERO) durante a explosão respiratória. O objetivo deste estudo foi analisar o status oxidativo,
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Livres sur le sujet "Ovine pneumonia"

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United States. Animal and Plant Health Inspection Service. Veterinary Services., ed. Ovine progressive pneumonia: Awareness, management, and seroprevalence. APHIS Veterinary Services, Centers for Epidemiology and Animal Health, 2003.

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Chapitres de livres sur le sujet "Ovine pneumonia"

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Oxford, John, Paul Kellam, and Leslie Collier. "Retroviruses: HIV-1 and -2 and HTLV." In Human Virology. Oxford University Press, 2016. http://dx.doi.org/10.1093/hesc/9780198714682.003.0027.

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This chapter recounts the first discovery of a retrovirus. This was made as long ago as 1910 by Peyton Rous, who worked at the Rockefeller Institute for Medical Research in New York. This agent, avian sarcoma virus, induced tumours in muscle, bone, and other tissues of chickens. The chapter highlights the discovery of other retroviruses which caused tumours in the 1930s. However, these viruses were regarded as laboratory curiosities until the description of feline leukaemia virus, a gammaretrovirus, which was first discovered in the 1960s and appeared to spread naturally in household cats. The
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