نتایج جستجو برای: duck
تعداد نتایج: 4929 فیلتر نتایج به سال:
Salmonella Typhimurium DT8 was a very rare cause of human illness in Ireland between 2000 and 2008, with only four human isolates from three patients being identified. Over a 19-month period between August 2009 and February 2011, 34 confirmed cases and one probable case of Salmonella Typhimurium DT8 were detected, all of which had an MLVA pattern 2-10-NA-12-212 or a closely related pattern. The...
The effects of dry and wet seasons on the blood profiles of the Nigerian duck were determined. This is with a view of elucidating any seasonal variations in these parameters. The haematological values studied included the erythrocyte values (RBC, PCV, Hb., MCH, MCHC and MCV) and the leucocyte values (total and differential leucocyte counts). In the dry season, the duck had higher (p<0.01) RBC c...
In this study, YN26/2013, a novel recombinant duck circovirus (DuCV), was isolated from a Muscovy duck in Yunnan Province, southern China. The whole genome of YN26/2013 consists of 1,987 nucleotides (nt), the same genomic size as that of the DuCV-2 genotype. However, YN26/2013 shares 91.5 to 94.3% nucleotide identity similarity with previously reported type I (DuCV-1) viruses. Importantly, a no...
Fine structural study of interdigital membranes during formation of the digits of the duck foot reveals that the interdigital necrosis is accompanied by a high deposition of collagenous material in the epithelio-mesenchymal interface, rupture of the basal lamina and detachment of ectodermal cells into the amniotic sac. These changes are similar to those observed in the regressing interdigital m...
Hepatitis in ducks can be caused by at least three different viruses. The more common and 4 internationally widespread is duck hepatitis virus (DHV) type I, a member of the Picornaviridae in 5 the proposed new genus Avihepatovirus [now designated as an unclassified picornavirus], which causes 6 a highly lethal, acute, contagious infection in ducklings under 6 weeks of age and, frequently, under...
We report the complete genomic sequence of a novel Newcastle disease virus (NDV) strain, duck/China/Guangxi19/2011, isolated from a white duck in Guangxi Province, southern China. Phylogenetic analysis based on a fusion gene comparison with different NDV strains revealed that duck/China/Guangxi19/2011 is phylogenetically close to genotype IX NDV, and the deduced amino acid sequence of the fusio...
Safe and effective treatments for chronic hepatitis B virus (HBV) infection have yet to be developed. Both ganciclovir (9-[1,3-dihydroxy-2-propoxymethyl]guanine) and foscarnet (trisodium phosphonoformate hexahydrate) are potent inhibitors of hepadnavirus replication when used individually in vitro and in vivo. However, the clinical usefulness of each drug is reduced by dose-limiting toxicity, e...
Highly pathogenic avian influenza (HPAI) H5N1 viruses cause severe infection in chickens at near complete mortality, but corresponding infection in ducks is typically mild or asymptomatic. To understand the underlying molecular differences in host response, primary chicken and duck lung cells, infected with two HPAI H5N1 viruses and a low pathogenicity avian influenza (LPAI) H2N3 virus, were su...
A newly emerged duck parvovirus, which causes beak atrophy and dwarfism syndrome (BADS) in Cherry Valley ducks, has appeared in Northern China since March 2015. To explore the genetic diversity among waterfowl parvovirus isolates, the complete genome of an identified isolate designated SDLC01 was sequenced and analyzed in the present study. Genomic sequence analysis showed that SDLC01 shared 90...
A proteomic study of egg white proteins from 2 major poultry species, namely quail (Coturnix coturnix) and duck (Anas platyrhynchos), was performed with comparison to those of chicken (Gallus gallus) through 2-dimensional polyacrylamide gel electrophoresis (2-DE) analysis. By using matrix-assisted laser desorption/ionization time-of-flight tandem mass spectrometry (MALDI-TOF MS/MS), 29 protein ...
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