Gastrointestinal parasites of Peltocephalus dumerilianus (Testudines: Podocnemididae) from Jaú National Park, Brazilian Amazon

The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus' parasitological fauna and host-parasite relationships is limited. Thus, ecological...

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Published inRevista brasileira de parasitologia veterinaria Vol. 33; no. 1; p. e013823
Main Authors Menegaldo, Luciana Raffi, Arias-Pacheco, Carmen Andrea, Perin, Patricia Parreira, Tebaldi, José Hairton, Hoppe, Estevam Guilherme Lux
Format Journal Article
LanguageEnglish
Portuguese
Published Brazil Colégio Brasileiro de Parasitologia Veterinária 01.01.2024
Colégio Brasileiro de Parasitologia Veterinaria
Subjects
Animals
Big-headed Amazon River turtle
Brazil
Female
Helminths
Intestinal Diseases, Parasitic - veterinary
Male
morphology
neotropics
Original
Parasites
PARASITOLOGY
Parks, Recreational
Turtles - parasitology
VETERINARY SCIENCES
Brazil
morfologia
parasitologia
morphology
helmintos
Cabeçudo
Big-headed Amazon River turtle
helminths
neotropics
neotrópicos
parasitology
Online AccessGet full text

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Abstract The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus' parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis, Helicotrema spirale, and Telorchis hagmanni. The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila, K. conciliatus, and T. hagmanni in P. dumerilianus, and new location record for A. trematophila, P. hystrix, N. grandis, H. spirale, and T. hagmanni. Three potentially new Klossinemella species are presented.
AbstractList The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus' parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis, Helicotrema spirale, and Telorchis hagmanni. The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila, K. conciliatus, and T. hagmanni in P. dumerilianus, and new location record for A. trematophila, P. hystrix, N. grandis, H. spirale, and T. hagmanni. Three potentially new Klossinemella species are presented.
Abstract The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus’ parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis, Helicotrema spirale, and Telorchis hagmanni. The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila, K. conciliatus, and T. hagmanni in P. dumerilianus, and new location record for A. trematophila, P. hystrix, N. grandis, H. spirale, and T. hagmanni. Three potentially new Klossinemella species are presented.
The big-headed Amazon River turtle, Peltocephalus dumerilianus , is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus’ parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus , Paratractis hystrix , Atractis trematophila , Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis , Helicotrema spirale , and Telorchis hagmanni . The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila , K. conciliatus , and T. hagmanni in P. dumerilianus , and new location record for A. trematophila , P. hystrix , N. grandis , H. spirale , and T. hagmanni . Three potentially new Klossinemella species are presented.
Abstract The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus’ parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis, Helicotrema spirale, and Telorchis hagmanni. The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila, K. conciliatus, and T. hagmanni in P. dumerilianus, and new location record for A. trematophila, P. hystrix, N. grandis, H. spirale, and T. hagmanni. Three potentially new Klossinemella species are presented. Resumo O cabeçudo, Peltocephalus dumerilianus, é endêmico das bacias dos rios Orinoco e Amazonas. Ele é uma fonte de alimento para as comunidades locais, frequentemente de maneira insustentável. O conhecimento sobre a fauna parasitológica de P. dumerilianus e suas relações hospedeiro-parasito são limitados. Assim, investigou-se os aspectos ecológicos do parasitismo gastrointestinal nessa espécie. Helmintos encontrados no trato gastrointestinal de 21 tartarugas, foram identificados morfologicamente e descritores de infecção calculados. Todos os animais abrigavam helmintos: nematoides Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus e três espécies de Klossinemella indeterminados, além dos digenéticos Nematophila grandis, Helicotrema spirale e Telorchis hagmanni. A maior carga parasitária ocorreu no intestino grosso, seguida pelo intestino delgado e estômago. O comprimento da carapaça correlacionou-se diretamente com a carga de parasitos de helmintos heteroxênicos, e os machos apresentaram uma carga parasitária maior que as fêmeas. Este é o primeiro registro de A. trematophila, K. conciliatus e T. hagmanni em P. dumerilianus, e um novo registro de local para A. trematophila, P. hystrix, N. grandis, H. spirale e T. hagmanni. Três potenciais novas espécies de Klossinemella são apresentadas.
Author Tebaldi, José Hairton
Arias-Pacheco, Carmen Andrea
Menegaldo, Luciana Raffi
Hoppe, Estevam Guilherme Lux
Perin, Patricia Parreira
AuthorAffiliation Universidade Estadual Paulista
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  organization: Laboratório de Enfermidades Parasitárias - LabEPar, Departamento de Patologia, Reprodução e Saúde Única - DPRSU, Faculdade de Ciências Agrárias e Veterinárias - FCAV, Universidade Estadual Paulista - UNESP, Jaboticabal, SP, Brasil
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  givenname: José Hairton
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DocumentTitleAlternate Parasitas gastrointestinais de Peltocephalus dumerilianus (Testudines: Podocnemididae) do Parque Nacional do Jaú, Amazônia brasileira
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Issue 1
Keywords morfologia
parasitologia
morphology
helmintos
Cabeçudo
Big-headed Amazon River turtle
helminths
neotropics
neotrópicos
parasitology
Language English
Portuguese
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This work is licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0
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Conflict of interest: The authors declare no conflicts of interest.
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SSID ssj0060003
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Snippet The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities,...
Abstract The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local...
The big-headed Amazon River turtle, Peltocephalus dumerilianus , is endemic to the Orinoco and Amazon River basins. It is a food source for local communities,...
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Aggregation Database
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StartPage e013823
SubjectTerms Animals
Big-headed Amazon River turtle
Brazil
Female
Helminths
Intestinal Diseases, Parasitic - veterinary
Male
morphology
neotropics
Original
Parasites
PARASITOLOGY
Parks, Recreational
Turtles - parasitology
VETERINARY SCIENCES
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Title Gastrointestinal parasites of Peltocephalus dumerilianus (Testudines: Podocnemididae) from Jaú National Park, Brazilian Amazon
URI https://www.ncbi.nlm.nih.gov/pubmed/38359299
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