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European bison (Bison bonasus) from two different areas of Eastern Poland showing gross pathology possibly associated with mycoplasma infections were tested for ruminant Mycoplasma species using serological and molecular methods. Fifty-five samples, blood or tissue were collected from 28 animals during 2013-2014. Six sera were positive for Mycoplasma bovis. The ELISA and complement fixation test for...
The aim of the study was to evaluate the presence of Mycoplasma bovis infection and co-infections with other Mycoplasma spp. infections in cattle. The tested population was one in the eastern region of Poland containing 66 dairy cows and 23 calves showing different clinical signs and suffering from pneumonia, mastitis, and arthritis. The incidence of M bovis in co-infections with other Mycoplasma...
Mycoplasma bovis is the smallest known bacterium that does not have a cell wall. It is therefore resistant to some antibiotics that inhibit the synthesis of the cell structure. Little is known about the mechanisms of antibiotic resistance in M. bovis, since it has no plasmids and there are insufficient data about the role of the biofilm formation by these bacteria. Previous studies have shown that...
The effect of three different field isolates of Mycoplasma bovis on selected immunological parameters in experimentally infected calves was studied. Calves were kept separately in 4 experimental groups, and animals of 3 groups were infected intratracheally with one of the three selected isolates of M. bovis. The control group was inoculated intra-tracheally with sterile physiological saline. Nasal...
The aim of the study was to determine Mycoplasma mycoides subsp. mycoides small colony variant (MmmSC) and Mycoplasma agalactiae antibodies in ruminants from different provinces/regions of Poland. Eight hundred and ten bovine serum samples were examined for MmmSC antibodies by the use of competitive ELISA (c-ELISA) and complement fixation test (CFT). ELISA was also used for M agalactiae antibody detection...
The aim of the study was to evaluate the changes of selected immunological parameters in seropositive cattle infected with Mycoplasma bovis. The study was performed on two age groups of cattle, i.e. young (n=139) and adult (n=21) animals. Within the each age group, two subgroups composed of seropositive and seronegative animals for M. bovis infection were formed. The serum samples were collected and...
The aim of the study was to evaluate the alternations in the concentration of proinflammatory arachidonic acid metabolites in cattle infected with Mycoplasma bovis. The study was performed on two groups of cattle, differing in aged, i.e. calves (n=56) and adult animals (n=19). Additionally, two subgroups were selected among them: seropositive and seronegative for Mycoplasma bovis infection. The presence...
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