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Giardia duodenalis and Cryptosporidi...

Taylor, Loni Anne Goodwin,

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Giardia duodenalis and Cryptosporidium spp. Infection in the Dog (Canis lupus familiaris): A One Health Approach to Testing Strategies and Epidemiologic Analysis /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Giardia duodenalis and Cryptosporidium spp. Infection in the Dog (Canis lupus familiaris): A One Health Approach to Testing Strategies and Epidemiologic Analysis // Loni Anne Goodwin Taylor.
Author:	Taylor, Loni Anne Goodwin,
Description:	1 electronic resource (137 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-05, Section: B.
Contained By:	Dissertations Abstracts International85-05B.
Subject:	Public health. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30872956
ISBN:	9798380828567

Giardia duodenalis and Cryptosporidium spp. Infection in the Dog (Canis lupus familiaris): A One Health Approach to Testing Strategies and Epidemiologic Analysis /
Taylor, Loni Anne Goodwin,

Giardia duodenalis and Cryptosporidium spp. Infection in the Dog (Canis lupus familiaris): A One Health Approach to Testing Strategies and Epidemiologic Analysis /Loni Anne Goodwin Taylor. - 1 electronic resource (137 pages)

Source: Dissertations Abstracts International, Volume: 85-05, Section: B.

Giardia duodenalis and Cryptosporidium spp. are zoonotic protozoal pathogens, spread by a fecal-oral route, which can infect a wide range of hosts including but not limited to dogs and humans. Giardia infections were reported to be present in 15.2%, and Cryptosporidium infections in 5%, of dogs globally. The main goal of this project was to define factors associated with Giardia and Cryptosporidium in dogs in Texas. Fecal samples were collected from laboratory dogs from an academic research facility and a local laboratory dog supplier. We first assessed a human Giardia and Cryptosporidium point-of-care test in dogs. We then determined factors associated with subclinical infections in kennel housed dogs. Multilocus PCR of three gene targets was implemented, followed by sequencing and typing to determine the assemblages of G. duodenalis. SSU rRNA PCR sequencing was used to determine the species of Cryptosporidium. Finally, we assessed Giardia infection, in the State of Texas at the county level, by analyzing publicly available data on canine test positivity and potential social determinants of animal health (SDOAH). We showed that the human point of care test could successfully be used to identify Giardia and Cryptosporidium in the dog with high specificity (%) but low sensitivity (%). Giardia duodenalis assemblages A, C, and D were detected in our dogs, while C. canis was the sole species detected. We found the presence of hard feces to be associated with lower odds (0.3 [0.1, 1.0]) of subclinical Giardia infection. Dogs that were ≤18 months old had 3 times the odds of subclinical Giardia infection compared to older dogs. We found that SDOAH may be indicators of canine Giardia infection risk and that counties with low veterinary coverage (represented by the veterinary care accessibility score [VCAS] <25) were also those with more Giardia infections (PR 11 [7, 18]) when college graduation rates were low. With these findings, we demonstrated the potential utility of an available point-of-care test in dogs to detect Giardia and Cryptosporidium infections and the value of understanding clinical, social, and epidemiologic risk factors of Giardia, Cryptosporidium, and other important zoonotic pathogens of public health concern.

English

ISBN: 9798380828567Subjects--Topical Terms:

534748
Public health.
Subjects--Index Terms:

Giardia

Giardia duodenalis and Cryptosporidium spp. Infection in the Dog (Canis lupus familiaris): A One Health Approach to Testing Strategies and Epidemiologic Analysis /
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500 $a Advisors: Budke, Christine M.; Fischer, Rebecca S. B. Committee members: Verocai, Guilherme G.; Saleh, Meriam N.
502 $b Ph.D. $c Texas A&M University $d 2023.
520 $a Giardia duodenalis and Cryptosporidium spp. are zoonotic protozoal pathogens, spread by a fecal-oral route, which can infect a wide range of hosts including but not limited to dogs and humans. Giardia infections were reported to be present in 15.2%, and Cryptosporidium infections in 5%, of dogs globally. The main goal of this project was to define factors associated with Giardia and Cryptosporidium in dogs in Texas. Fecal samples were collected from laboratory dogs from an academic research facility and a local laboratory dog supplier. We first assessed a human Giardia and Cryptosporidium point-of-care test in dogs. We then determined factors associated with subclinical infections in kennel housed dogs. Multilocus PCR of three gene targets was implemented, followed by sequencing and typing to determine the assemblages of G. duodenalis. SSU rRNA PCR sequencing was used to determine the species of Cryptosporidium. Finally, we assessed Giardia infection, in the State of Texas at the county level, by analyzing publicly available data on canine test positivity and potential social determinants of animal health (SDOAH). We showed that the human point of care test could successfully be used to identify Giardia and Cryptosporidium in the dog with high specificity (%) but low sensitivity (%). Giardia duodenalis assemblages A, C, and D were detected in our dogs, while C. canis was the sole species detected. We found the presence of hard feces to be associated with lower odds (0.3 [0.1, 1.0]) of subclinical Giardia infection. Dogs that were ≤18 months old had 3 times the odds of subclinical Giardia infection compared to older dogs. We found that SDOAH may be indicators of canine Giardia infection risk and that counties with low veterinary coverage (represented by the veterinary care accessibility score [VCAS] <25) were also those with more Giardia infections (PR 11 [7, 18]) when college graduation rates were low. With these findings, we demonstrated the potential utility of an available point-of-care test in dogs to detect Giardia and Cryptosporidium infections and the value of understanding clinical, social, and epidemiologic risk factors of Giardia, Cryptosporidium, and other important zoonotic pathogens of public health concern.
546 $a English
590 $a School code: 0803
650 4 $a Public health. $3 534748
650 4 $a Epidemiology. $3 568544
650 4 $a Parasitology. $3 635062
650 4 $a Zoology. $3 518878
653 $a Giardia
653 $a Cryptosporidium
653 $a Zoonosis
653 $a One Health
653 $a Diarrhea
653 $a Dogs
690 $a 0766
690 $a 0573
690 $a 0718
690 $a 0472
710 2 $a Texas A&M University. $b Veterinary Integrative Biosciences. $e degree granting institution. $3 3817062
720 1 $a Budke, Christine M. $e degree supervisor.
720 1 $a Fischer, Rebecca S. B. $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 85-05B.
790 $a 0803
791 $a Ph.D.
792 $a 2023
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30872956