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primary topic: Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam

Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam
type: AcademicArticle
type: Article
abstract: The Hanoi Wildlife Rescue Center (WRC) plays a crucial role in the rescue, care, and release of wild animals. The health of these animals was meticulously evaluated during their care and before their reintroduction into their natural habitat. An annual surveillance study of parasitic infections in wildlife at the Hanoi WRC was conducted to establish a scientific basis for developing preventive measures to manage the health of these animals. A total of 46 fresh fecal samples were opportunistically collected immediately following defecation using a shovel. These samples were obtained from 25 tigers (age: 10.8±3.6 years) and 21 bears (age: 11.2±4.6 years) captured at the Hanoi WRC in November 2024. Fecal samples were examined using sedimentation and centrifugal flotation methods to identify the presence of parasites. Subsequently, parasite eggs were collected using a micropipette for DNA extraction. Polymerase chain reaction and sequencing techniques were used to determine the parasite species. It was found that 20.0% of tigers (5 out of 25) and 23.8% of bears (5 out of 21) were infected with parasitic worms. The identification of these infections was achieved through the examination of the morphological characteristics of the eggs. This analysis identified the presence of trematode eggs, nematode eggs, including Strongyle type, and Toxascaris leonina. Molecular analysis further identified Strongyle eggs as belonging to Ancylostoma ceylanicum, which accounted for 12.0% of infections in tigers and 23.8% in bears. Additionally, Toxascaris leonina was detected exclusively in tigers, representing 12.0% of infections. Trematode eggs were found solely in tiger feces; however, molecular amplification was unsuccessful due to the insufficient number of eggs detected. The discovery of two zoonotic nematodes, A. ceylanicum and To. leonina in tigers and bears at the Hanoi (WRC) underscores the potential risk of nematode transmission from wildlife to humans and domestic animals in …
date: 2025-06-25
volume: 15
issue: 2
is part of: World’s Veterinary Journal
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam (Text)
has version: Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam (Text)
has published: Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam (Text)
subject: SF Animal culture

Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam (Text)
type: Document
has file: WVJ15(2)283-291,2025 (1).pdf
has part: WVJ15(2)283-291,2025 (1).pdf

Scienceline Publication
type: Organization

World’s Veterinary Journal
type: Collection
issn: 23224568

Duc Minh Nguyen
type: Person
given name: Duc Minh
family name: Nguyen

Thi Hoang Yen Nguyen
type: Person
given name: Thi Hoang
family name: Yen Nguyen

Thi Thu Hang Trinh
type: Person
given name: Thi Thu
family name: Hang Trinh

http://eprints.science-line.com/id/eprint/1548/
title: HTML Summary of #1548 <epc:when xmlns:epc="http://eprints.org/ep3/control" test="title">Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam</epc:when>
format: text/html
primary topic: Detection of Ancylostoma ceylanicum and Toxascaris leonina in Bengal Tigers (Panthera tigris) and Asian Black Bears (Ursus thibetanus) Captured at Hanoi Wildlife Rescue Center, Vietnam

SF Animal culture
type: Concept