نتایج جستجو برای: sallmonella pullorum
تعداد نتایج: 448 فیلتر نتایج به سال:
salmonellosis is a very important disease of avian species because of its huge economic impact, worldwide distribution and difficulty posed in its control. fowl typhoid and pullorum disease, is caused by salmonella enterica subsp enterica serovar gallinarum biovar gallinarum and pullorum. the purpose of this study was to investigate the biochemical characteristics and antimicrobial susceptibil...
Pullorum disease of chickens is a bacterial infection caused by Salmonella enterica subspecies enterica serovar Gallinarum biovar Pullorum (Salmonella Pullorum)1. At this time the serovar is referred to as Gallinarum in some parts of the world and Pullorum in others; in this chapter the serovar will be referred to as Gallinarum or Pullorum according to the biovar under discussion as this is mor...
The present study was to investigate the incidence of Helicobacter pullorum in caecum and colon of 96 broiler chickens. All samples were obtained from different commercial broiler slaughtering facilities in Marmara region of Turkey. The presence of H. pullorum was assessed by conventional culture method and specific polymerase chain reaction (PCR) test. H. pullorum were not isolated from any of...
Salmonella enterica serovar Pullorum (S. pullorum) causes pullorum disease in poultry and results in great economic losses to the poultry industry. Although an eradication program has been successfully performed in some countries, it remains a major threat to countries with poor poultry disease surveillance. Currently there are no effective control measures for pullorum disease except eradicati...
Salmonella enterica serovar Pullorum is a fowl-adapted bacterial pathogen that causes dysentery (pullorum disease). Host adaptation and special pathogenesis make S. enterica serovar Pullorum an exceptionally good system for studies of bacterial evolution and speciation, especially regarding pathogen-host interactions and the acquisition of pathogenicity. We constructed a genome map of S. enteri...
Identification of Salmonella pullorum genomic sequences using suppression subtractive hybridization.
Pullorum disease affecting poultry is caused by Salmonella enterica serovar Pullorum and results in severe economic loss every year, especially in countries with a developing poultry industry. The pathogenesis of S. Pullorum is not yet well defined, as the specific virulence factors still need to be identified. Thus, to isolate specific DNA fragments belonging to S. Pullorum, this study used su...
This study was conducted to determine effects of methyltestosterone on innate immunity and adaptive immunity against Salmonella Pullorum in dwarf chicks. In vivo experiment, comparisons of pathological sections, viable counts of bacteria, specific antibody levels, and subsets of T lymphocytes were set forth between chicks with or without 10(-7) M methyltestosterone treatment (2 d of age through...
The article provides data on the isolation and identification of pathogen S. Pullorum from pathological material chickens. With further study tinctorial, cultural-morphological biological properties pathogen. susceptibility Salmonella pullorum to broad-spectrum antibacterial drugs such as cephalosporins carbopenems was studied determine drug choice for improving treatment prevention avian bacte...
Salmonella enterica serovar Pullorum is worldwide a poultry pathogen of considerable economic importance, particularly in those countries with a developing poultry industry. In addition to the characteristic high mortality rates among young chicks, one of the features of Salmonella serovar Pullorum infection is that it persists for long periods in convalescent chicks in the absence of clinical ...
Growth of strains of Salmonella enteritidis and Salmonella pullorum on Hektoen agar has been reported to influence the expression of long-chain lipopolysaccharide and motility respectively. In this study we used a panel of strains of S. enteritidis and S. pullorum to investigate these phenomena. Culture on Hektoen agar did not cause rough strains of S. enteritidis to express long-chain lipopoly...
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