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Serological tests applied in poultry flocks can be a valuable tool in assessing health of hens. One obstacle in making this assessment is that results of serological tests in a given flock are not always correlated with results of bacteriological tests. The aim of this study was to determine dependencies between the level of antibodies in egg yolk and the contamination of egg contents (whites and...
This paper presents the degree of contamination of table eggs with bacteria of the genus Staphylococcus, taking into account the source of the eggs. The results of the study indicate a relatively high degree of contamination of table eggs with Staphylococcus bacteria. In 1125 bacteriological tests conducted on whites, yolks and shells of eggs from three sources, staphylococci were found in 514 cases...
Variety of traits important in diagnostics and epidemiology of pathogenic microorganisms may change due to antibiotics. Movement ability, that is characteristic for every serovar except from Salmonella Gallinarum-Pullorum, is important to salmonellas. In own experiments using semi-fluid MSRV medium, it was found that a decrease in salmonella sensibility to selected antibiotics and chemiotherapeutics...
Indirect ELISA is being used increasingly more often in serological diagnosis of Salmonella enteritidis in poultry. Tests are conducted on sera as well as to detect anti-S. enteritidis antibodies in egg yolk and in muscles. The aim of this study was to assess the usefulness of an ELISA kit produced in the authors’ laboratory in detecting anti-S. enteritidis antibodies in sera, egg yolk and muscles...
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