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http://krishi.icar.gov.in/jspui/handle/123456789/24872
Title: | Quantitative characteristics of the foot-and-mouth disease carrier state under natural conditions in India |
Other Titles: | Not Available |
Authors: | Ranjan R |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Project Directorate on Foot and Mouth Disease |
Published/ Complete Date: | 2017-03-02 |
Project Code: | Not Available |
Keywords: | FMD, foot‐and‐mouth, persistence, carrier, India virus |
Publisher: | © 2017 Blackwell Verlag GmbH |
Citation: | 47. Hayer S S#, Ranjan R#, Biswal J K, Saravanan S, Mohapatra J K, Sharma G K, Rout M, Dash B B, Das B, Prusty B R, Sharma A K, Stenfeldt C, Perez A , Rodriguez L L, Pattnaik B, Waal K V, Arzt J. 2017. Quantitative characteristics of the foot-and-mouth disease carrier state under natural conditions in India. Transbound Emerg Dis. 2017 Mar 2. DOI: 10.1111/tbed.12627. |
Series/Report no.: | Not Available; |
Abstract/Description: | The goal of this study was to characterize the properties and duration of the foot‐and‐mouth disease (FMD) carrier state and associated serological responses subsequent to vaccination and naturally occurring infection at two farms in northern India. Despite previous vaccination of cattle in these herds, clinical signs of FMD occurred in October 2013 within a subset of animals at the farms containing juvenile‐yearling heifers and steers (Farm A) and adult dairy cattle (Farm B). Subsequent to the outbreak, FMD virus (FMDV) asymptomatic carriers were identified in both herds by seroreactivity to FMDV non‐structural proteins and detection of FMDV genomic RNA in oropharyngeal fluid. Carriers’ seroreactivity and FMDV genome detection status were subsequently monitored monthly for 23 months. The mean extinction time of the carrier state was 13.1 ± 0.2 months, with extinction having occurred significantly faster amongst adult dairy cattle at Farm B compared to younger animals at Farm A. The rate of decrease in the proportion of carrier animals was calculated to be 0.07 per month. Seroprevalence against FMDV non‐structural proteins decreased over the course of the study period, but was found to increase transiently following repeated vaccinations. These data provide novel insights into viral and host factors associated with the FMDV carrier state under natural conditions. The findings reported herein may be relevant to field veterinarians and governmental regulatory entities engaged in FMD response and control measures. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Transboundary and Emerging Diseases (Journal of Veterinary Medicine - A) |
NAAS Rating: | 10.19 |
Volume No.: | 65 (1) |
Page Number: | 253-260 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available https://doi.org/10.1111/tbed.12627 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/24872 |
Appears in Collections: | AS-PDFMD-Publication |
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