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COMPARATIVE EFFECTIVENESS OF DIFFERENT METHODS FOR DIAGNOSING DISEASES IN CATTLE CAUSED BY BACTERIUM PASTEURELLA MULTOCIDA

Abstract

Results are given from a comparative study on effectiveness of three methods for diagnosing cattle diseases caused by bacterium Pasteurella multocida, which are bacteriological and biochemical analyses as well as the PCR method. Conventional bacteriological methods and study of biochemical properties do not make possible to determine genotypes of cultures and strains. To evaluate the effectiveness of the PCR method at different stages of bacteriological diagnosis, we calculated the coefficient of coincidence, k. By bacteriological analyses of samples from sick animals on artificial nutrient media were isolated 60.4 percent of P. multocida cultures, by the PCR method were detected 49.2 percent of positive samples (p > 0.005, k = 0.76). From white mice were reisolated 52.3 percent of pathogenic cultures that was confirmed by reinvestigation with PCR tests (k = 1). All isolated bacteria cultures demonstrated biochemical properties, characteristic of P. multocida. As a result of typing, 41.2 percent of isolated cultures were attributed to Pasteurella multocida, 67.2 percent of them belonged to genotype A, and 26.8 percent genotype B. It has been found that PCR is effective at all stages of bacteriological diagnosis of diseases in cattle caused by P. multocida and allows us to determine genotypes of bacterium.

About the Authors

T. E. Terentyeva
Institute of Experimental Veterinary Science of Siberia and the Far East, Russian Academy of Agricultural Sciences
Russian Federation


T. I. Glotova
Institute of Experimental Veterinary Science of Siberia and the Far East, Russian Academy of Agricultural Sciences
Russian Federation


A. G. Glotov
Institute of Experimental Veterinary Science of Siberia and the Far East, Russian Academy of Agricultural Sciences
Russian Federation


N. A. Donchenko
Institute of Experimental Veterinary Science of Siberia and the Far East, Russian Academy of Agricultural Sciences
Russian Federation


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Review

For citations:


Terentyeva T.E., Glotova T.I., Glotov A.G., Donchenko N.A. COMPARATIVE EFFECTIVENESS OF DIFFERENT METHODS FOR DIAGNOSING DISEASES IN CATTLE CAUSED BY BACTERIUM PASTEURELLA MULTOCIDA. Siberian Herald of Agricultural Science. 2014;(3):90-95. (In Russ.)

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ISSN 0370-8799 (Print)
ISSN 2658-462X (Online)