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Mass Decontamination of Companion Dogs in Disaster: Planning for Personnel, Water, and Time Requirements

Published online by Cambridge University Press:  28 February 2024

Debra L. Zoran*
Affiliation:
Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences (VMBS) Texas A&M University, College Station, TX, USA
Shawn C. Bassinger
Affiliation:
Department of Small Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences (VMBS) Texas A&M University, College Station, TX, USA
Christine M. Budke
Affiliation:
Department of Integrative Biosciences, School of Veterinary Medicine and Biomedical Sciences (VMBS) Texas A&M University, College Station, TX, USA
Jennifer L. Fridley
Affiliation:
Department of Large Animal Clinical Sciences, School of Veterinary Medicine and Biomedical Sciences (VMBS) Texas A&M University, College Station, TX, USA
*
Corresponding author: Debra L. Zoran; Email: dzoran@cvm.tamu.edu.
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Abstract

Objective:

The importance of companion animals in the daily lives of people, and the increasing incidence and severity of natural disasters impacting people and their animals, is very well documented. However, despite the advancement of companion animal response capabilities, decontamination remains an inconsistently implemented component of disaster response. The challenge for local authorities is their need for planning factors and protocols specific to companion animal decontamination which are generally lacking. Data is provided on the average time requirements, water use and containment resources necessary, and the personnel required to decontaminate (decon) a large number of companion dogs.

Methods:

Sixty-three lightly contaminated, medium weight, short to medium coat, highly tractable dogs (Labradors and Hounds) from a State facility colony were used to determine the water requirements, soap effectiveness, and time required to complete decon (washing/bathing). Data were collected over a 6-mo period using 2 personnel that were randomly assigned to wash the dogs. Difference in weight, bathing time, and water use between groups was evaluated using a 2-tailed 2-sample t-test for independent data.

Results:

The time and water requirements were significantly different between medium coated dogs and short coated dogs. On average, for a short coated dog, the amount of time to complete decon was 7 min, and the amount of water was 8-10 gal. For medium coated dogs, the time increased to 10-12 min to complete the process and 12-15 gal water.

Discussion:

The results of this study provide important insights emergency management planners, animal response team members, and community personnel tasked with implementation of mass decontamination of companion dogs following a natural or man-made disaster.

Information

Type
Concepts in Disaster Medicine
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided that no alterations are made and the original article is properly cited. The written permission of Cambridge University Press must be obtained prior to any commercial use and/or adaptation of the article.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of Society for Disaster Medicine and Public Health, Inc
Figure 0

Figure 1. Rubber Decon Tub Set-up.Rubbermaid® tubs (small inside of large) set up for decon procedures. The larger 50 gal tub is the base which elevates the dog and collects water, and the smaller 15 gal tub sets inside to serve as the standing area, which is outfitted by drilling 1 cm holes in the bottom for drainage to prevent the dog from standing in wastewater. The tubs are strong and stable when placed on a flat surface. A water hose can be connected to the drain in the larger bottom tub to drain water away from the tub into a drain, bladder or other collection device as needed. Also note, that the tubs can be placed on plastic stabilizers if needed for greater elevation or to allow better drainage of the bottom tub.

Figure 1

Figure 2. Close up of Decon Tub System.Close up view of bottom of upper (small) tub showing holes for draining water, and illustrating the depth of the tub sides, which tend to provide a barrier for dogs to reduce the tendency to want to jump out.

Figure 2

Figure 3. Example of Decon Tub System and Tent (barrier) set up.Tent set up with tubs is used to prevent contamination of nearby personnel or structures from wash spray or canine shaking. In this picture, an actual tent was used, but if necessary, tarps or plastic sheeting or other material could be used to provide protection from wash spray and shaking from the process.

Figure 3

Figure 4. Diagram of Canine Glo-Germ Application Locations.The locations with an “x” represent the areas on the skin where glo-germ was applied prior to the decon procedure. The area represented on the front leg is intended to represent an area inside the right front leg in the “arm pit”. The locations represented are: under the chin (throat area), over the shoulders in between the shoulder blades, skin area just in front of the base of the tail, in between the toes of the right rear leg, and inside the right arm/elbow.

Figure 4

Table 1. Protocol for Decontamination of Companion Dogs

Figure 5

Table 2. Summary table of data for time, water, and bathers

Figure 6

Figure 5. Decon Working Zones and Personnel.Pre-decontamination area: in the edge of the “hot” or contaminated zone – here personnel must wear PPE. Personnel needs: 1 trained vet tech (or veterinarian) for assessment of the health and behavior of the dog, and area to remove collars/leashes, etc, wash face/eyes, and place muzzle.Decontamination area: in the contamination reduction (“warm”) corridor/area. Personnel must wear PPE. Personnel needs: 2 personnel trained to handle and wash dogs.Post-decontamination area: in the “cold” or non-contamination / clean zone. Personnel are not required to wear PPE. Personnel needs: 1 person to transport dog to kennel or drying area.

Figure 7

Table 3. Decon equipment and supplies