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Infectious Diseases and Our PlanetEvidence for Multiple Transmission Routes for Pseudorabies in Wild Hogs

Infectious Diseases and Our Planet: Evidence for Multiple Transmission Routes for Pseudorabies in... [Pseudorabies is a herpes viral infection that constantly threatens the commercial pig industry as it decreases birthrates and increases piglet mortality. While transmission routes in domestic pigs are known, disease dynamics in the reservoir of wild hog populations is not well understood. We formulate a model, which is discrete in space and time, for pseudorabies in a wild hog population in Great Smoky Mountains National Park and consider four potential transmission routes: density-dependent direct transmission, increased transmission during mating season, transmission from mothers to piglets during nursing, and carriers becoming reinfected due to stress. We estimate parameters from available data using all combinations of transmission routes and analyze results in order to provide evidence for various transmission routes that may exist in the population. Results provide evidence that all transmission routes may exist in the population with the strongest evidence for carriers becoming reinfected due to stress. The use of a spatial–temporal discrete model connected to data about the habitat and involving disease spread is a novel feature of this work.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Infectious Diseases and Our PlanetEvidence for Multiple Transmission Routes for Pseudorabies in Wild Hogs

Part of the Mathematics of Planet Earth Book Series (volume 7)
Editors: Teboh-Ewungkem, Miranda I.; Ngwa, Gideon Akumah

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References (34)

Publisher
Springer International Publishing
Copyright
© Springer Nature Switzerland AG 2021
ISBN
978-3-030-50825-8
Pages
37 –56
DOI
10.1007/978-3-030-50826-5_3
Publisher site
See Chapter on Publisher Site

Abstract

[Pseudorabies is a herpes viral infection that constantly threatens the commercial pig industry as it decreases birthrates and increases piglet mortality. While transmission routes in domestic pigs are known, disease dynamics in the reservoir of wild hog populations is not well understood. We formulate a model, which is discrete in space and time, for pseudorabies in a wild hog population in Great Smoky Mountains National Park and consider four potential transmission routes: density-dependent direct transmission, increased transmission during mating season, transmission from mothers to piglets during nursing, and carriers becoming reinfected due to stress. We estimate parameters from available data using all combinations of transmission routes and analyze results in order to provide evidence for various transmission routes that may exist in the population. Results provide evidence that all transmission routes may exist in the population with the strongest evidence for carriers becoming reinfected due to stress. The use of a spatial–temporal discrete model connected to data about the habitat and involving disease spread is a novel feature of this work.]

Published: Aug 6, 2020

Keywords: Infectious disease model; Discrete model; Pseudorabies; Great Smoky Mountains National Park; Wild hog; Invasive species

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