Results 101 to 110 of about 4,111 (235)
Pesquisa Veterinária Brasileira, 2016 : With aim to report the ontogeny of the osseous elements of the carapace in Peurodiras, 62 embryos and 43 nestlings of Podocnemis expansa were collected and submitted to the clearing and staining technique of bones and cartilages and study of serial ...
Lucélia G. Vieira +5 more
doaj +1 more source
Chemical Composition of the Eggs of the Freshwater Turtle Phrynops hilarii (Chelidae: Testudines) [PDF]
, 2019 At oviposition, amniote eggs contain all the nutrients required for complete neonate tissue development. For reptiles and birds, the egg yolk is the main embryonic energy source and is composed predominantly of proteins and lipids, while also providing ...
Bernardi, Cecilia Gabriela +3 more
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Human mining activity across the ages determines the genetic structure of modern brown trout (Salmo trutta L.) populations. [PDF]
, 2016 PublishedJournal ArticleHumans have exploited the earth's metal resources for thousands of years leaving behind a legacy of toxic metal contamination and poor water quality. The southwest of England provides a well-defined example, with a rich history of
King, RA, Paris, JR, Stevens, JR
core +1 more source
Anais da Academia Brasileira de Ciências, 2003 Data on clutch size and hatching success of P. expansa were gathered for seven beaches traditionally used by the species and re-analyzed statistically by means of regression analysis, of the number of eggs on the number of females (or nests) and of the ...
Paulo Emilio Vanzolini
doaj +1 more source
HISTOLOGIA E MORFOMETRIA DAS BRÂNQUIAS CLOACAIS DE Podocnemis unifilis (TESTUDINES, PODOCNEMIDIDAE)
DesafiosPodocnemis unifilis é a espécie mais abundante do gênero, podendo atingir 50cm de comprimento e pesar até 12,5 kg. As brânquias cloacais compõem o sistema urogenital de quelônios semiaquáticos, desempenhando função de trocas gasosas.
Jonatas Carvalho de Souza +3 more
semanticscholar +1 more source
Caldasia, 1969 Se llevaron a cabo estudios adicionales sobre problemas de reproducción de la babilla (Caiman sclerops) y tres especies de tortugas (Podocnemis expansa, Podocnemis unifilis y Phrynops geoffroanus tuberosus). Los resultados principales son los siguientes:
Medem Federico
doaj
Jaw musculature during the dawn of turtle evolution [PDF]
, 2018 Using a new approach to study muscle anatomy in vertebrates, the fully differentiated jaw musculature of 42 turtle species was studied and character mappings were performed. Soft tissue arrangements were correlated to the temporal openings (emarginations)
Werneburg, Ingmar
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A new xinjiangchelyid turtle from the Middle Jurassic of Xinjiang, China and the evolution of the basipterygoid process in Mesozoic turtles [PDF]
, 2013 Background: Most turtles from the Middle and Late Jurassic of Asia are referred to the newly defined clade Xinjiangchelyidae, a group of mostly shell-based, generalized, small to mid-sized aquatic froms that are widely considered to represent the stem ...
Ge, Sun +4 more
core +2 more sources
Revista Sociedade CientíficaA nutrição de quelônios ainda é pouco estudada. Este estudo teve como objetivo comparar os efeitos da alimentação com ração comercial e com vegetais excedente de um quintal agroflorestal no desempenho produtivo de tracajás (P. unifilis).
Jânderson Rocha Garcez +14 more
semanticscholar +1 more source
Crescimento e variáveis hematológicas de tracajás (Podocnemis unifilis) aos seis e dezoito meses de vida. [PDF]
, 2017 HEM011
BRASILIENSE, A. R. P. +5 more
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