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Plos One : Detection of Infectious Laryngotracheitis Virus by Real- Time Pcr in Naturally and Experimentally Infected Chickens, Volume 8

By Rosenberg, Helene, F.

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Book Id: WPLBN0003946451
Format Type: PDF eBook :
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Reproduction Date: 2015

Title: Plos One : Detection of Infectious Laryngotracheitis Virus by Real- Time Pcr in Naturally and Experimentally Infected Chickens, Volume 8  
Author: Rosenberg, Helene, F.
Volume: Volume 8
Language: English
Subject: Journals, Science, Medical Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary)
Historic
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Publisher: Plos

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Rosenberg, H. F. (n.d.). Plos One : Detection of Infectious Laryngotracheitis Virus by Real- Time Pcr in Naturally and Experimentally Infected Chickens, Volume 8. Retrieved from http://www.worldlibrary.org/


Description
Description : Infectious laryngotracheitis (ILT) is an acute, highly contagious upper-respiratory infectious disease of chickens. In this study, a real-time PCR method was developed for fast and accurate detection and quantitation of ILTV DNA of chickens experimentally infected with ILTV strain LJS09 and naturally infected chickens. The detection lower limit of the assay was 10 copies of DNA. There were no cross reactions with the DNA and RNA of infectious bursal disease virus, chicken anemia virus, reticuloendotheliosis virus, avian reovirus, Newcastle disease virus, and Marek’s disease virus. The real-time PCR was reproducible as the coefficients of variation of reproducibility of the intra-assay and the inter-assay were less than 2%. The real-time PCR was used to detect the levels of the ILTV DNA in the tissues of specific pathogen free (SPF) chickens infected with ILTV at different times post infection. ILTV DNA was detected by real-time PCR in the heart, liver, spleen, lung, kidney, larynx, tongue, thymus, glandular stomach, duodenum, pancreatic gland, small intestine, large intestine, cecum, cecal tonsil, bursa of Fabricius, and brain of chickens in the infection group and the contact-exposure group. The sensitivity, specificity, and reproducibility of the ILTV real-time PCR assay revealed its suitability for detection and quantitation of ILTV in the samples from clinically and experimentally ILTV infected chickens.

 

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