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comparative analysis of antibiotic resistance characteristics of gram-negative bacteria isolated from laying hens and eggs in conventional and organic keeping systems in bavaria, germany.by investigating the prevalence and resistance characteristics of gram-negative bacteria from organic and conventional kept laying hens against 31 (campylobacter: 29) different antibiotics using the microdilution method, we determined to what extent different keeping systems influence bacterial resistance patterns. for this purpose, samples from 10 organic and 10 conventional flocks in bavaria (germany) were investigated four times between january 2004 and april 2005. altogether, 799 cloacal swa ...200818667026
prevalence of antibiotic-resistant enterobacteriaceae isolated from chicken and pork meat purchased at the slaughterhouse and at retail in bavaria, germany.the purpose of this study was to investigate chicken and pork meat sampled at the slaughterhouse and at retail for differences in the presence of antibiotic resistant gram-negative bacteria. for this aim, escherichia coli (n=677), enterobacter spp. (n=167), citrobacter spp. (n=83), serratia spp. (n=116), klebsiella spp. (n=125), and salmonella spp. (n=89) were isolated from 500 chicken and 500 pork samples purchased at the slaughterhouse and at retail (in the same amounts) in germany. salmonella ...201222260925
endotoxin concentration in modern animal houses in southern bavaria.agricultural work, particularly livestock farming, is considered to be a notable risk factor for occupational diseases. endotoxin as a major component of organic dust causes adverse health effects of the airways among farmers. endotoxin concentrations in airborne and settled dust were measured in modern, naturally ventilated animal houses for different species. median values of airborne inhalable endotoxin ranged from 16.9 eu/m3 for dairy cattle, 557.9 eu/m3 for beef cattle, 668.7 eu/m3 for pigs ...200717655190
discovery and genetic characterization of novel caliciviruses in german and dutch poultry.caliciviruses (cv) were identified in the intestinal contents of five chickens and one turkey from various regions in germany between 2009 and 2011 by degenerate reverse transcription pcr. the full 7,656-nt-long genomic sequence of the turkey cv l11043 was determined. partial nucleotide sequences were determined for nine chicken strains. phylogenetic analysis based on partial deduced amino acid sequences of the protease and rna polymerase and the complete vp1 capsid sequence identified two disti ...201222580496
comparative analysis on antibiotic resistance characteristics of listeria spp. and enterococcus spp. isolated from laying hens and eggs in conventional and organic keeping systems in bavaria, germany.by investigating the prevalence and antimicrobial resistance characteristics of gram-positive bacteria from organic and conventional keeping systems of laying hens, it was to be determined to what extent these properties are influenced by the different systems. for this purpose, a total of 799 cloacal swabs and 800 egg samples were examined. prevalences for all selected bacteria from cloacal swabs were much the same for both organic and caged birds: listeria spp.1.3%[org] versus 1.6%[con]; enter ...201019486494
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