Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs

Chronic wasting disease (CWD) is a highly infectious, fatal prion disease that affects cervid species. One promising method for CWD surveillance is the use of detection dog–handler teams wherein dogs are trained on the volatile organic compound signature of CWD fecal matter. However, using fecal mat...

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Main Authors: Amritha Mallikarjun, Ila Charendoff, Madison B. Moore, Clara Wilson, Elizabeth Nguyen, Abigail J. Hendrzak, Jean Poulson, Michelle Gibison, Cynthia M. Otto
Format: Article
Language:English
Published: MDPI AG 2024-01-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/14/2/300
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author Amritha Mallikarjun
Ila Charendoff
Madison B. Moore
Clara Wilson
Elizabeth Nguyen
Abigail J. Hendrzak
Jean Poulson
Michelle Gibison
Cynthia M. Otto
author_facet Amritha Mallikarjun
Ila Charendoff
Madison B. Moore
Clara Wilson
Elizabeth Nguyen
Abigail J. Hendrzak
Jean Poulson
Michelle Gibison
Cynthia M. Otto
author_sort Amritha Mallikarjun
collection DOAJ
description Chronic wasting disease (CWD) is a highly infectious, fatal prion disease that affects cervid species. One promising method for CWD surveillance is the use of detection dog–handler teams wherein dogs are trained on the volatile organic compound signature of CWD fecal matter. However, using fecal matter from CWD-positive deer poses a biohazard risk; CWD prions can bind to soil particles and remain infectious in contaminated areas for extended periods of time, and it is very difficult to decontaminate the affected areas. One solution is to use noninfectious training aids that can replicate the odor of fecal matter from CWD-positive and CWD-negative deer and are safe to use in the environment. Trained CWD detection dogs’ sensitivity and specificity for different training aid materials (cotton, GetXent tubes, and polydimethylsiloxane, or PDMS) incubated with fecal matter from CWD-positive and CWD-negative deer at two different temperatures (21 °C and 37 °C) for three different lengths of time (6 h, 24 h, and 48 h) were evaluated. Cotton incubated at 21 °C for 24 h was identified as the best aid for CWD based on the dogs’ performance and practical needs for training aid creation. Implications for CWD detection training and for training aid selection in general are discussed.
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spelling doaj.art-064b7d7d90034345bbd48d9068cbb6b82024-01-26T14:33:08ZengMDPI AGAnimals2076-26152024-01-0114230010.3390/ani14020300Assessing Different Chronic Wasting Disease Training Aids for Use with Detection DogsAmritha Mallikarjun0Ila Charendoff1Madison B. Moore2Clara Wilson3Elizabeth Nguyen4Abigail J. Hendrzak5Jean Poulson6Michelle Gibison7Cynthia M. Otto8Penn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAWildlife Futures Program, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAPenn Vet Working Dog Center, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19146, USAChronic wasting disease (CWD) is a highly infectious, fatal prion disease that affects cervid species. One promising method for CWD surveillance is the use of detection dog–handler teams wherein dogs are trained on the volatile organic compound signature of CWD fecal matter. However, using fecal matter from CWD-positive deer poses a biohazard risk; CWD prions can bind to soil particles and remain infectious in contaminated areas for extended periods of time, and it is very difficult to decontaminate the affected areas. One solution is to use noninfectious training aids that can replicate the odor of fecal matter from CWD-positive and CWD-negative deer and are safe to use in the environment. Trained CWD detection dogs’ sensitivity and specificity for different training aid materials (cotton, GetXent tubes, and polydimethylsiloxane, or PDMS) incubated with fecal matter from CWD-positive and CWD-negative deer at two different temperatures (21 °C and 37 °C) for three different lengths of time (6 h, 24 h, and 48 h) were evaluated. Cotton incubated at 21 °C for 24 h was identified as the best aid for CWD based on the dogs’ performance and practical needs for training aid creation. Implications for CWD detection training and for training aid selection in general are discussed.https://www.mdpi.com/2076-2615/14/2/300chronic wasting diseasevolatile organic compoundsdetection dogs
spellingShingle Amritha Mallikarjun
Ila Charendoff
Madison B. Moore
Clara Wilson
Elizabeth Nguyen
Abigail J. Hendrzak
Jean Poulson
Michelle Gibison
Cynthia M. Otto
Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
Animals
chronic wasting disease
volatile organic compounds
detection dogs
title Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
title_full Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
title_fullStr Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
title_full_unstemmed Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
title_short Assessing Different Chronic Wasting Disease Training Aids for Use with Detection Dogs
title_sort assessing different chronic wasting disease training aids for use with detection dogs
topic chronic wasting disease
volatile organic compounds
detection dogs
url https://www.mdpi.com/2076-2615/14/2/300
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