نتایج جستجو برای: f18
تعداد نتایج: 7889 فیلتر نتایج به سال:
Barrier membranes that are used for guided tissue regeneration (GTR) therapy usually lack bioactivity and the capability to promote new bone tissue formation. However, the incorporation of an osteogenic agent into polymeric membranes seems to be the most assertive strategy to enhance their regenerative potential. Here, the manufacturing of composite electrospun membranes made of poly (ε-caprola...
INTRODUCTION Previous research projects have demonstrated the need for better diagnostic tools to support decisions on medication strategies for infections caused by Escherichia coli F4 (F4) and F18 (F18), Lawsonia intracellularis (LI) and Brachyspira pilosicoli (PILO). This study was carried out as a randomised clinical trial in three Danish pig herds and included 1047 nursery pigs, distribute...
Background and Aim: The pathogenicity of Escherichia coli is determined by the presence genes that mediate virulence factors such as adherence capacity toxin production. This research aimed to identify adhesion antibiotic resistance E. strains associated with diarrhea in piglets Colombia. Materials Methods: Presumptive were isolated from rectal swabs swine farms between 4 40 days age evidence d...
To study enterotoxigenic Escherichia coli (ETEC) association to the gut of pigs, a simple and reproducible experimental model would be helpful. The aim of this experiment was to establish a model for studying the association of ETEC to the gut epithelium of pigs. Intestinal segments were prepared from 4 weaned pigs, which were tested susceptible to E. coli O149:F4 (homo- and heterozygotic; 2 pi...
BACKGROUND The aim of this study was to evaluate the success of selective intraarterial radionuclide therapy (SIRT) with Yttrium-90 (Y-90) microspheres in liver metastases of different tumors. We also interpreted the contribution of SIRT to survival times according to responder- non responder and hepatic- extra hepatic disease. METHODS The clinical and follow-up data of 124 patients who were ...
A multiplex polymerase chain reaction (mPCR) assay was developed for detection and characterization of pathogenic Escherichia coli that cause diarrhea and edema disease in swine. The mPCR assay was designed as a single reaction for detecting 5 different adhesins (K88, K99, 987P, F41, and F18), 3 enterotoxins (LT, STaP, and STb), and the Shiga toxin (Stx2e) associated with porcine pathogenic E. ...
Diarrhoeal diseases in piglets caused by Escherichia coli are responsible for substantial losses each year in the Australian pig industry. A cross-sectional survey was conducted (September 2013-May 2014) across 22 commercial pig herds located in southeastern Australia: NSW (n = 9); VIC (n = 10); and SA (n = 3), to estimate the prevalence of E. coli associated diarrhoea in pre- and post-weaned p...
BACKGROUND Postweaning diarrhoea (PWD) in pigs is usually the main infectious problem of large-scale farms and is responsible for significant losses worldwide. The disease is caused mainly by enterotoxigenic E. coli (ETEC) and Shiga-toxin producing E. coli (STEC). In this study a total of 101 E. coli isolated from pigs with PWD in Slovakia were characterized using phenotypic and genotypic metho...
Enteric disorders in pigs are related to the fimbriae F4 (K88), F5 (K99), F6 (987P), F41 and F18 of enterotoxigenic Escherichia coli (ETEC). Immunization of sows with adhesins is important to stimulate the production of antibodies and the consequent transfer of these to the piglets via colostrum to prevent diarrhea during the neonate period and after weaning. The objective of this study was to ...
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