Results 51 to 60 of about 265 (105)

Helminth of Japanese urodelans: a parasitological approach to the alien species problem and challenges in systematic confusion [PDF]

open access: yes, 2023
日本の両生類相は、分子的手法の導入による分類の見直しにより、近年ますますその豊かさと固有性の高さが明らかになっている。しかし、昨今の環境問題により両生類、特に有尾類の個体群の減衰は著しい。本研究は、環境問題の1つである外来種問題について、宿主-寄生者関係の撹乱と言う観点からアプローチした。また宿主有尾類の分類の見直しに伴い、その寄生性蠕虫類の種多様性・固有性も再検討が必要である。そこで、有尾類における外来種問題の寄生虫学的評価と、有尾類の寄生虫の分類学的問題の解決をテーマとして ...
Tsuchida, Karin, 土田, 華鈴
core  

Podocnemis unifilis [PDF]

open access: yes, 2012
Number of Pages: 33Integrative BiologyEarth and Planetary ...
Iverson, John B.   +2 more
core   +2 more sources

Studies on the parasites of zebras. V. Nematodes of the Burchell's and Hartmann's mountain zebras from the Etosha National Park, South West Africa/Namibia [PDF]

open access: yes, 1987
Nine Burchell's and 6 Hartmann's mountain zebras were culled during the 3 climatic periods characteristic of the Etosha National Park, South West Africa/Namibia, and were examined for helminths.
Krecek, R.C.   +2 more
core  

DESCRIPCIÓN ANATOMOPATOLÓGICA DE LESIONES POR HELMINTOS GASTROINTESTINALES EN TORTUGAS MOTELO (Chelonoidis denticulata) [PDF]

open access: yes, 2014
The present aimed to identify and describe lesions caused by helminths in motelo tortoises(Chelonoidis denticulata). Forty gastrointestinal tracts were collected at Belen market inIquitos, Peru where this species is sold for meat consumption.
Batalla L., Luisa   +5 more
core   +3 more sources

[Estimative method for quantitative sampling of Rondonia rondoni (Nematoda: Atractidae) parasite of fish].

open access: yesRevista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria, 2008
The present work evaluated the number of Rondonia rondoni in intestine of Piaractus mesopotamicus, for difference of dry and wet weight of parasites samples by each host, from the relation dry weight and number of parasites. Totals samples of R. rondoni of 37 specimens of P.
Cristiane M, de Campos   +2 more
openaire   +1 more source

Evolution and community structure of parasites in Galápagos giant tortoises [PDF]

open access: yes, 2016
A central theme in ecology is to understand the distribution and abundance of organisms and the factors influencing these patterns. This thesis investigated the taxonomic identity and biogeography of blood parasites, Amblyomma ticks and gastro-intestinal
Patino Patino, Leandro Dario
core   +1 more source

Método estimativo para amostragem quantitativa de Rondonia rondoni (Nematoda: Atractidae) parasito de peixes

open access: yes, 2007
O objetivo deste trabalho foi avaliar o número de Rondonia rondoni no intestino de Piaractus mesopotamicus, por meio da diferença entre peso úmido e peso seco das amostras de parasitos para cada hospedeiro, a partir da relação do peso seco e número de parasitos pré-estabelecida. Amostras totais de R. rondoni, de 37 espécimes de Piaractus mesopotamicus,
Campos, Cristiane M. De   +2 more
openaire   +2 more sources

Specificity of spiders among fear- and disgust-eliciting arthropods: Spiders are special, but phobics not so much. [PDF]

open access: yesPLoS One, 2021
Landová E   +6 more
europepmc   +1 more source

Caracterización ultraestructural del parásito Rondonia rondoni y evaluación de lesiones a nivel intestinal asociadas a la presencia en paco (Piaractus brachypomus) procedentes de la localidad de Iquitos [PDF]

open access: yes, 2018
En menos casos se observó alteraciones circulatorias como hiperemia en la mucosa (8/35) y hemorragia (1/35), además de trastornos degenerativos como granuloma (2/35), necrosis (2/35) entre otros, como la presencia de hemosiderina en la mucosa (3/35).
Cuadros Cuya, Ruben Martin
core  

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