Results 91 to 100 of about 2,583 (213)

Ecological divergence of closely related Diplostomum (Trematoda) parasites

Parasitology, 2006
Parasite life-cycles present intriguing model systems to study divergence in resource use and ecology between parasite taxa. In ecologically similar taxa, consistent selective forces may lead to convergence of life-history traits, but resource overlap and similarity of life-cycles may also promote divergence between the taxa in (1) use of host species ...
A, Karvonen, P, Terho, O, Seppälä, J, Jokela, E T, Valtonen   +4 more
openaire   +2 more sources

A survey of ecto and endoparasites of Nile tilapia, Oreochromis niloticus (Linnaeus, 1758) fingerlings in Midmar reservoir, Adwa, northern Ethiopia

Journal of Applied Animal Research
Fishes are hosts to a range of taxonomically diverse parasites. This survey was intended to provide insight into the occurrence, distribution, prevalence, and intensity of parasites infesting the fingerlings of the tilapia, in Tigray.
Solomon Tesfay, Mekonen Teferi, Tadesse Dejenie, Tsegaluel Abay, Girmay Hiluf   +4 more
doaj   +1 more source

Study of Helminthes in Glyptothorax kurdistanicus (Actinopterygii: Sisoridae) in Greater Zab and Lesser Zab Rivers, Kurdistan Region, Iraq

Zanco Journal of Pure and Applied Sciences, 2019
During April 2017 to the end of September 2017, a total of 34 Glyptothorax kurdistanicus were captured from Greater Zab River near Aski-Kalak Town, south east of Erbil City and some watersheds of Sharbazher area northeast of Sulaimani City, Kurdistan ...
Younis S. Abdullah, Samir J. Bilal, Shwan K. Rahman, Shamall M. A. Abdullah   +3 more
doaj   +1 more source

Parallelism and divergence in immune responses: a comparison of expression levels in two lakes [PDF]

, 2014
Question: How do immune phenotypes differ between infected and uninfected wild individuals, and is the effect the same in different populations? Organisms: Threespine stickleback (Gasterosteus aculeatus) from two lake populations on the island of North ...
Ando, Ando, Anquetin, Anquetin, Baba, Bass, Berx, Berx, Berx, Birchmeier, Bracke, Brown, Chen, Christofori, Cukierman, David, Dias, Efstathiou, Gaul, Gaul, Gottlieb, Hedley, Ju, Lecomte, Machado, Maddess, Majchrzak, Morton, Morton, Munro, Nobis, Oskarsson, Reymond, Reymond, Risinger, Serrels, Shan, Sprague, Thiery, Timpson, Timpson, Trost, Umbas, Zhou   +43 more
core   +2 more sources

Helminthes from juveniles of pacific salmons (Oncorhynchus) at the continental coast of the northern Okhotsk Sea

Известия ТИНРО, 2016
Fauna of helminthes and feeding of pacific salmon (pink, chum, and coho) juveniles at the continental coast of the northern Okhotsk Sea are considered both for freshwater and early marine stages of their life.
Vitaly V. Pospekhov, Elena V. Khamenkova
doaj   +1 more source

Utility of ITS1-5.8S-ITS2 sequences for species discrimination and phylogenetic inference of two closely related bucephalid digeneans (Digenea : Bucephalidae): Dollfustrema vaneyi and Dollfustrema hefeiensis [PDF]

, 2007
The complete internal transcribed spacer 1 (ITS1), 5.8S ribosomal DNA, and ITS2 region of the ribosomal DNA from 60 specimens belonging to two closely related bucephalid digeneans (Dollfustrema vaneyi and Dollfustrema hefeiensis) from different ...
Chen, Dali, Nie, P, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China, Nie, Pin, Wang, Guitang, Yao, Weijian   +4 more
core   +1 more source

Personality differences in two minnow populations that differ in their parasitism and predation risk

Frontiers in Ecology and Evolution, 2015
Animals are often individually consistent in their behavior, not only over time, but also across different functional contexts. Recent research has focused on phenotypic and evolutionary mechanisms explaining such personality differences through ...
Raine eKortet, Ilkka eSirkka, Yi-Te eLai, Anssi eVainikka, Jukka eKekäläinen, Jukka eKekäläinen   +5 more
doaj   +1 more source

Parasite and reproductive features of Scinax nasicus (Anura: Hylidae) from a South American subtropical area [PDF]

, 2009
Desde febrero de 2002 a diciembre de 2004, se analizó la fauna de helmintos parásitos y las características reproductivas de Scinax nasicus en un área cercana a la ciudad de Corrientes, Argentina.
Duré Pitteri, Marta Inés, Gonzalez, Cynthya Elizabeth, Hamann, Mónika Inés, Kehr, Arturo Ignacio, Schaefer, Eduardo Federico   +4 more
core  

Fish parasitofauna of Tavush reservoirs

Siberian Journal of Life Sciences and Agriculture
Background. The flora and fauna of the river basins of the Republic of Armenia is quite rich and very diverse. Of particular interest is the life of the fish living in them and parasitic diseases, which have received little study.
Liana H. Grigoryan, Anush R. Hakobyan, Zhanna S. Melkonyan, Spartak V. Yeribekyan, Hrachuhi S. Balasanyan, Valery V. Grigoryan   +5 more
doaj   +1 more source

Descripción de una especie nueva de Tylodelphys (Digenea: Diplostomidae) parásita de Podiceps major (Aves: Podicepedidae) de Argentina [PDF]

, 2004
En el presente estudio se describe una nueva especie de diplostómido, Tylodelphys adulta sp. nov. (Digenea: Diplostomidae), basada en los especímenes adultos hallados en el intestino delgado del macá grande, Podiceps major (Boddaert) infectado ...
Drago, Fabiana Beatriz, Lunaschi, Lía Inés   +1 more
core   +1 more source