Academic literature on the topic 'Mycoplasma meleagridis'

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Journal articles on the topic "Mycoplasma meleagridis"

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Basak, Parinita, Banya Banowary, Safeth Arju, and Mohammad Zakir Hossain. "Isolation and molecular detection of avian mycoplasmosis in selected areas of Mymensingh district in Bangladesh." Asian Journal of Medical and Biological Research 7, no. 2 (June 30, 2021): 182–90. http://dx.doi.org/10.3329/ajmbr.v7i2.54998.

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Avian mycoplasmosis caused by several species of Mycoplasma including Mycoplasma gallisepticum, M synoviae, M. meleagridis and M. iowae. Among these Mycoplasma gallisepticum is the most important poultry pathogen in Bangladesh. For effective control of Mycoplasmosis, proper early diagnosis is the corner stone. The research work was designed, a total of 20 samples, lung exudates, swabs from trachea and air sacs were collected from dead birds of different poultry farms in Mymensingh district during October-December, 2007. Samples were collected in 10% buffered formalin for histopathological study. Swabs were collected in mycoplasma broth supplemented with supplement-G. Additionally Kanamycin solution was added to prevent the growth of gram–Ve bacteria and then the organisms were transferred into mycoplasma agar for isolation. Histopathological studies were conducted using routine procedure in Hematoxylin and Eosin stain. Isolated Mycoplasma were subjected to DNA extraction, Nested PCR was done using a commercial PCR kit. The histopathological study revealed the presence of mycoplasmal related tissue changes, such as severe congestion and infiltration of mononuclear cells in different organs. The extracted DNA accumulated at the upper position of DNA ladder as band without any smear formation. The DNA from avian mycoplasmas was amplified and gave amplified product of 975 bp by outer primer and 395 bp by inner primer which was much smaller than the expected size. In this study, preliminary results from field samples suggest that culture using mycoplasma agar and broth supplement with Supplement-G and Kanamycin solution could be useful for the isolation of pathogenic avian mycoplasmas. Asian J. Med. Biol. Res. 2021, 7 (2), 182-190
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Khiari, A. Béjaoui, A. Landoulsi, H. Aissa, B. Mlik, F. Amouna, A. Ejlassi, and B. Ben Abdelmoumen Mardassi. "Isolation of Mycoplasma meleagridis from Chickens." Avian Diseases Digest 6, no. 1 (March 2011): e32-e33. http://dx.doi.org/10.1637/9621-936511-digest.1.

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Lam, K. M. "Pathogenicity of Mycoplasma meleagridis for Chicken Cells." Avian Diseases 48, no. 4 (December 2004): 916–20. http://dx.doi.org/10.1637/7217-060304r.

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Boussetta, M., N. Chaouachi, and B. Mlik. "Etude sérologique et bactériologique des mycoplasmoses aviaires dans la région du Cap Bon en Tunisie." Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, no. 2 (February 1, 1997): 93–96. http://dx.doi.org/10.19182/remvt.9592.

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Une enquête séroépidémiologique et bactériologique a été effectuée en Tunisie dans une région à forte concentration aviaire pour le dépistage des mycoplasmoses à Mycoplasma gallisepticum, M. synoviae chez la poule et chez la dinde. Au cours de l'enquête, 63 élevages ont été visités et 780 prélèvements de sang et écouvillons trachéaux ont été effectués et analysés pour la recherche sérologique d'anticorps anti-Mycoplasma gallisepticum, -M. synoviae et -M. meleagridis. La recherche bactériologique a porté sur M. gallisepticum et M. synoviae. Les taux d'infection des troupeaux déterminés par sérologie étaient de 36,5 % pour M. gallisepticum, de 19 % pour M. synoviae et de 0 % pour M. meleagridis. Les élevages positifs en bactériologie pour M. gallisepticum et M. synoviae étaient respectivement au nombre de 15 et 5, soit 23,8 et 7,9 % des élevages visités.
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Singh, P., Christine A. Yavari, John A. Newman, and Janet M. Bradbury. "Identification of Mycoplasma Iowae by Colony Immunoblotting Utilizing Monoclonal Antibodies." Journal of Veterinary Diagnostic Investigation 9, no. 4 (October 1997): 357–62. http://dx.doi.org/10.1177/104063879700900403.

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The utility of monoclonal antibody Mab-2C in identification of Mycoplasma iowae (MI) by colony immunoblotting technique was explored. Colony immunoblots of reference MI strains, field isolates, and mycoplasmas recovered from experimentally inoculated turkey embryos were probed with Mab-2C. The monoclonal antibody identified colonies of all the MI isolates tested and did not cross-react with colonies of M. gallisepticum, M. synoviae, or M. meleagridis. In western immunoblots of 22 MI field isolates, Mab-2C showed immunoreactivity with an antigen of approximately 45 kD molecular weight. No phenotypic variation of the epitope recognized by Mab-2C was observed in colony immunoblots of MI colonies. The monoclonal antibody reported here can be used for identification of MI colonies by a simple and rapid colony immunoblot method.
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Shaohua Zhao and Richard Yamamoto. "Species-specific recombinant DNA probes for Mycoplasma meleagridis." Veterinary Microbiology 35, no. 1-2 (May 1993): 179–85. http://dx.doi.org/10.1016/0378-1135(93)90124-p.

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Zhao, Shaohua, and Richard Yamamoto. "Detection of Mycoplasma meleagridis by polymerase chain reaction." Veterinary Microbiology 36, no. 1-2 (July 1993): 91–97. http://dx.doi.org/10.1016/0378-1135(93)90131-p.

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Dufour-Gesbert, Fabienne, Isabelle Kempf, Franco De Simone, and Marylène Kobisch. "Antigen heterogeneity and epitope variable expression in Mycoplasma meleagridis isolates." Veterinary Microbiology 78, no. 3 (February 2001): 261–73. http://dx.doi.org/10.1016/s0378-1135(00)00337-0.

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Lam, K. M., A. J. DaMassa, and G. Yan Ghazikhanian. "Interactions Between the Membranes of Turkey Cells and Mycoplasma meleagridis." Avian Diseases 47, no. 3 (July 2003): 611–17. http://dx.doi.org/10.1637/6089.

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Edson, Robert K., R. Yamamoto, and T. B. Farver. "Mycoplasma meleagridis of Turkeys: Probability of Eliminating Egg-Borne Infection." Avian Diseases 31, no. 2 (April 1987): 264. http://dx.doi.org/10.2307/1590871.

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Dissertations / Theses on the topic "Mycoplasma meleagridis"

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Díaz, Lorenzo Constanza del Pilar. "Estudio de validación oficial de kits de enzimoinmunoensayo indirecto, para el diagnóstico de Mycoplasma gallicepticum, Mycoplasma synoviae y Mycoplasma meleagridis en aves." Tesis, Universidad de Chile, 2015. http://repositorio.uchile.cl/handle/2250/136459.

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Memoria para optar al Título Profesional de Médico Veterinario
La micoplasmosis aviar es una infección que afecta la salud y productividad de las aves comerciales. Las pruebas serológicas de enzimoinmunoensayo, son útiles para el monitoreo de micoplasmosis, puesto que son capaces de identificar y cuantificar anticuerpos en los sueros de un grupo de individuos en poco tiempo. La evaluación y validación de kits comerciales antes de utilizarlos como métodos diagnósticos de control, es necesaria para estandarizar cualquier proceso de monitoreo serológico, ya que garantiza la efectividad de las pruebas. Por ello, el Servicio Agrícola y Ganadero del Ministerio de Agricultura solicitó el estudio de validación de kits de enzimoinmunoensayo indirecto para la detección de micoplasmosis en aves comerciales. En esta memoria de título se documenta parte de este estudio oficial. El objetivo fue ampliar la variedad diagnóstica, puesto que en la actualidad, solo la marca IDEXX está autorizada y forma parte del Programa Oficial de Control de micoplasmosis aviar. Se evaluó la efectividad de seis kits comerciales a través de la sensibilidad y la especificidad, utilizando sueros de referencia, de acuerdo al patógeno a identificar (MG, MS o MM). De acuerdo a los resultados obtenidos, en su mayoría los kits obtienen valores de sensibilidad y especificidad aceptables a excepción de uno. Este estudio puede servir de modelo para que a futuro, se realicen más estudios de validación de otros kits de diagnóstico serológico, para ampliar las alternativas diagnósticas, o en su defecto reducir las alternativas, eliminando aquellas que no resulten ser aptas para el control de infecciones en animales de producción chilena
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Orosco, La Vera Rocío Jazmín de María. "Prevalencia de anticuerpos a Mycoplasma meleagridis en pavos reproductores en el departamento de Lima." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2008. https://hdl.handle.net/20.500.12672/693.

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Se determinó la prevalencia de anticuerpos a Mycoplasma meleagridis en lotes de pavos reproductores del Departamento de Lima durante el año 2007. Se tomaron 400 muestras de sangre al azar pertenecientes a 20 lotes de pavos reproductores mayores a 8 semanas, machos y hembras, provenientes de los distritos de Asia y Chilca. Las muestras fueron analizadas mediante el ensayo de inmunoabsorción ligado a la enzima (ELISA) a fin de determinar la presencia de anticuerpos a Mycoplasma meleagridis. Se encontraron 3 muestras positivas pertenecientes de 3 lotes diferentes, resultando una prevalencia de 0.75% ± 0.042. El porcentaje de seroreacción por lote afectado fue de 5%, muy por debajo del esperado en lotes positivos a M. meleagridis. Además, las aves pertenecientes a los lotes positivos no mostraron signos clínicos compatibles con la enfermedad, por lo que se podría interpretar que los 20 lotes examinados no fueron expuestos al microorganismo y que estos resultados se deben a reacciones falsas positivas.
--- A field study was conducted to determine the prevalence of antibodies against Mycoplasma meleagridis (MM) in turkey breeder flocks from Lima during 2007. A total of 400 blood samples were taken from 20 different turkey breeder flocks older than 8 weeks of age, males and females, in the districts of Asia and Chilca. The indirect enzyme linked immunosorbent assay (ELISA) was used to measure the serum antibodies against M. meleagridis A total of 3 positive samples were found in 3 different flocks, which represents a prevalence of 0.75% ± 0.042. The seroreactivity in each affected flock was 5%, far lower than expected in MM-infected flocks. Besides, birds from M. meleagridis positive flocks did not show clinical signs compatible to those observed in the disease. According to these findings, it’s possible to say that the 20 flocks were not exposed to M. meleagridis and that the positive results may be due to false positive seroreactions.
Tesis
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Moalic, Pierre-Yves. "Mise au point de méthodes de dépistage des mycoplasmes génitaux de la dinde et analyse de leur pouvoir pathogène." Bordeaux 2, 1997. http://www.theses.fr/1997BOR28544.

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