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Advanced studies on mycoplasma microorganisms in ducks
Faculty
Veterinary Medicine
Year:
2009
Type of Publication:
Theses
Pages:
4145
Authors:
Rasha Mohsen Aziz Ahmed
BibID
10423796
Keywords :
Ducks
Abstract:
This study comprised the examination of seven hundred andeighteen samples that were collected from farms and backyard of ducksin Dakahlia and Sharkia Govemorates to detect the incidence of naturalinfection of ducks with Mycoplasma. The isolates were identified byphenotypic and genotypic. Mycoplasma gallisepticum (MG) wasisolated from (76.92%) of examined lungs, (33.33%) of egg yolk and(25%) of trachea. Also M. gallinarum was isolated from (75%) oftrachea, (36.36%) of tracheal swabs. While, M. anatis was isolated from(66.67% and 23.08%) of egg yolk and lungs, respectively. Acholeplasmaspecies could be isolated only from (63.64%) of tracheal swabs.-Biochemical characterization and serological identification provedthat the three Mycoplasma species could be identified as M. gallinarum,M. gallisepticum and M. anatis. The highest recovery rate ofM. gallinarum was (75%) from trachea, followed by tracheal swabs(36.36%). M. gallisepticum, the isolation rate was high from lungs(76.92%), followed by egg yolk (33.33%) and trachea (25%). On theother hand, M. anatis could be isolated from egg yolk and lungs (66.67%and 23.08%, respectively).Acholeplasma species could be isolated only from tracheal swabs(63.64%).On the other hand, SPA results revealed that three egg samples outof one hundred and twenty were positive for M. anatis andM. gallisepticum antibodies two isolates related to M. anatis with anincidence rate (66.67%) while one isolates related to M. gallisepticumwith an incidence rate (33.33%).
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Rasha Mohsen Aziz Ahmed, "Advanced studies on mycoplasma microorganisms in ducks", 2009
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