نتایج جستجو برای: infectious laryngotracheitis virus
تعداد نتایج: 471552 فیلتر نتایج به سال:
chicken anemia virus was detected by pcr in tissue samples collected from poultry flocks in gujarat,india. the vp1, vp2 and vp3 gene sequences of cav from anand, gujarat were obtained after cloning thepcr products in pdrive cloning vector. nucleotide sequence alignment with other cav sequencesdemonstrated overall identity of 95-98.8%, 98.8-99.8% and 98.8-100% for vp1, vp2 and vp3 regions,respec...
The propagation of infectious laryngotracheitis virus (ILTV) has been described using primary cell cultures derived from chicken embryo liver and kidney or embryonated eggs, but these cultures use Specific Pathogen Free (SPF) eggs that are time and cost expensive. Since cell line cultures are easier to maintain in laboratory conditions, the growth of ILTV was evaluated in five different cell cu...
background and aims: infectious mononucleosis (im)is the clinical manifestation of primary infection with epstein-barr virus (ebv). humans are the only known reservoir of ebv. regarding the problems in diagnosis of the disease, the purpose of this study was to assess enzyme-linked immunosorbent assay (elisa) and nested polymerase chain reaction (pcr) as a diagnostic tool for this disease. mater...
infectious bronchitis virus (ibv) is a contagious pathogen in fowl that results in economic loss in the poultry industry. in this study, the amino acids sequences of three structural proteins m, n, and s1 for five iranian ibv isolated during 1998-2011 have been analyzed. conserved and variable regions, hydrophobic characteristics and identity matrix were determined after alignment by bioedit ve...
infectious bursal disease virus (ibdv) infects young chickens and causes serious lose to the poultry industry, worldwide. previous attempts using purified bacterially expressed ibdv vp2 failed to elicit a protective immune response to the virus. this study was designed to investigate if the initial expressed protein contained neutralizing epitopes but became nonfunctional during purification st...
The susceptibility of three F1 hybrid lines of chickens to graded doses of infectious laryngotracheitis virus (ILTV) was investigated. The three F1 hybrid lines, each produced from mating two inbred lines, included the SC (B2B2) and TK (B15B21) lines and the 15I5 × 71 (B2B15) line. Although at 1 d of age all three lines were susceptible to ILTV, SC birds were significantly less susceptible (10%...
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