Results 61 to 70 of about 296 (139)

Prevalence and parasitemia of Haemogregarina sp. in Podocnemis expansa (Testudines: Podocnemididae) from the Brazilian Amazon

open access: yesRevista Brasileira de Parasitologia Veterinária
Seventy-five turtles Podocnemis expansa in the Brazilian Amazon were examined for the presence of ectoparasites and hemoparasites. Samplings were performed in three study areas in the state of Tocantins, Brazil.
Amanda Maria Picelli   +3 more
doaj   +1 more source

Enzymes of energy metabolism in hatchlings of amazonian freshwater turtles (Testudines, Podocnemididae)

open access: yesBrazilian Journal of Biology
The metabolic profiles of selected tissues were analyzed in hatchlings of the Amazonian freshwater turtles Podocnemis expansa, P. unifilis and P. sextuberculata.
WP. Duncan, JL. Marcon
doaj   +1 more source

Morfometria e histologia das gônadas de machos e fêmeas recém-eclodidos de Podocnemis expansa e Podocnemis unifilis (Testudines, Podocnemididae)=Morphometry and histology of the gonads of males and females hatchlings of Podocnemis expansa and Podocnemis. unifilis (Testudines, Podocnemididae)

open access: yesActa Scientiarum: Biological Sciences, 2012
Considerando a importância da técnica histológica na sexagem de quelônios e os poucos trabalhos direcionados para esta técnica, é proposto neste estudo caracterizar morfometricamente e histologicamente as gônadas de P. expansa e P. unifilis. Todos os espécimes utilizados neste trabalho foram procedentes do rio Javaés, entorno do Parque Nacional do ...
Adson Gomes de Ataídes   +4 more
openaire   +1 more source

Enterobacteria in free-living and captive Amazon turtles, Podocnemis expansa (Podocnemididae: Testudines)

open access: yes, 2018
The turtle Podocnemis expansa is an important wildlife species from the Amazon rainforest of Brazil. This also represents an important resource for coastal communities, as it has been historically consumed as food. Nevertheless, besides the sustainability issues, recent concerns have been raised over the health of the animals and possible impacts on ...
Meyer Junior, Julio Cesar   +4 more
openaire   +2 more sources

Ontogeny of the cranial bones of the giant amazon river turtle Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae) = Ontogenia dos ossos do crânio em tartaruga-da-amazônia Podocnemis expansa Schweigger, 1812 (Testudines, Podocnemididae)

open access: yesActa Scientiarum: Biological Sciences, 2010
In order to determine the normal stages of formation in the sequence of ossification of the cranium of Podocnemis expansa in its various stages of development, embryos were collected starting on the 18th day of natural incubation and were subjected to ...
Lucélia Gonçalves Vieira   +2 more
doaj  

[Morphologic study of the embryonic development of the Amazonian turtle Podocnemis expansa, Pelomedusidae].

open access: yesRevista brasileira de biologia, 1991
Two egg groups from four clutches of the Amazon turtle, Podocnemis expansa, were incubated at 32-34 degrees C and 35-38 degrees C, respectively. The incubation of the first group lasted approximately 47 days and the second 43 days. To standardize the stages, a series of 25 stages was recorded, based on observation of morphological evolution related to ...
T M, Danni   +2 more
openaire   +1 more source

Analysis of the influence of tourism on nesting beaches for the Amazon turtle (Podocnemis expansa) on the Crixás-Açu river

open access: yesActa Scientiarum: Biological Sciences
Freshwater turtles play an important ecological and social role, with Podocnemis expansa (arrau turtle) being the largest freshwater Testudine in Latin America.
Lívia Schroder Memória Paiva   +5 more
doaj   +1 more source

Use of wild vertebrates for consumption and bushmeat trade in Brazil: a review. [PDF]

open access: yesJ Ethnobiol Ethnomed, 2023
Aragão Silva JA   +4 more
europepmc   +1 more source

Contribución al conocimiento de la reproducción de Podocnemis Lewyana Dumeril (Reptilia: Quelonia: Pelomedusidae)

open access: yesCaldasia, 1986
En Colombia se encuentran 5 especies del Género Podocnemis : P. expansa, P. lewyana, P. sextuberculata , P. unifilis y P. vogli. De estas P. lewyana es la única que se encuentra en la zona Norte de nuestro país y es endémica para la región que abarca las
Castaño Mora Olga Victoria
doaj  

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