Results 41 to 50 of about 6,227 (172)

Can mixed-species groups reduce individual parasite load? A field test with two closely related poeciliid fishes (Poecilia reticulata and Poecilia picta). [PDF]

PLoS ONE, 2013
Predation and parasitism are two of the most important sources of mortality in nature. By forming groups, individuals can gain protection against predators but may increase their risk of being infected with contagious parasites.
Felipe Dargent, Julián Torres-Dowdall, Marilyn E Scott, Indar Ramnarine, Gregor F Fussmann   +4 more
doaj   +1 more source

Study of the prevalence of parasitical skin infections of rainbow trout (250 – 300gr) in commercial fish farms of East Azarbaijan province [PDF]

Āsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2009
Parasitic infestations constitute an important part of aquatic animal diseases. In order to study the prevalence of parasitic skin infections of rainbow trouts in mordad of 1385, 5 breeding farms were selected and 386 rainbow trouts with the body weight ...
H Hashemzadeh, Sh Notash, M Saeedi
doaj  

Gyrodactylidae et Gyrodactylose des Salmonidae

Knowledge and Management of Aquatic Ecosystems, 1993
Vingt et une espèces de Gyrodactylus de Salmonidae arrangées en six groupes sont présentées. Les observations concernant ces espèces dans les milieux naturels et en pisciculture sont résumées.
MALMBERG G.
doaj   +1 more source

Neotropical Monogenoidea. 23. Two new species of Gyrodactylus (Gyrodactylidae) from a Cichlid and an Erythrinid fish of Southeastern Brazil

Memorias do Instituto Oswaldo Cruz, 1995
Two new species of Gyrodactylus Nordmann, 1832 (Platyhelminthes, Monogenoidea) are described from fishes collected from southeastern Brazil. Gyrodactylus geophagensis n. sp.
Walter A. Boeger, Flávio Popazoglo
doaj   +1 more source

Global Phylogeography of Salmonid Ectoparasites of the Genus Gyrodactylus, with an Emphasis on the Origin of the Circumpolar Gyrodactylus salmonis (Platyhelminthes: Monogenea)

Comparative parasitology, 2021
: The wageneri species group of Gyrodactylus contains the following molecularly confirmed salmonid parasites in Asia: Gyrodactylus taimeni Ergens, 1971, Gyrodactylus magnus Konovalov, 1967, Gyrodactylus brachymystacis Ergens, 1978, and Gyrodactylus ...
Eric M. Leis, Tran Thi Kim Chi, J. Lumme
semanticscholar   +1 more source

Mixed infections and hybridisation in monogenean parasites. [PDF]

PLoS ONE, 2012
Theory predicts that sexual reproduction promotes disease invasion by increasing the evolutionary potential of the parasite, whereas asexual reproduction tends to enhance establishment success and population growth rate.
Bettina Schelkle, Patricia J Faria, Mireille B Johnson, Cock van Oosterhout, Joanne Cable   +4 more
doaj   +1 more source

Monogènes parasites de Clariidae (Teleostei, Siluriformes) au Cameroun : I. Description de deux nouvelles espèces du genre Gyrodactylus dans le bassin du Nyong

Parasite, 2005
L’étude des parasites branchiaux et cutanés de trois espèces de Poissons du genre Clarias : C. camerunensis, C. jaensis et C. pachynema pêchés dans le bassin du Nyong (Cameroun) a révélé la présence de deux espèces nouvelles de Monogènes du genre ...
Nack J., Bilong Bilong C., Euzet L.
doaj   +1 more source

Gyrodactylus salinae n. sp. (Platyhelminthes: Monogenea) infecting the south European toothcarp Aphanius fasciatus (Valenciennes) (Teleostei, Cyprinodontidae) from a hypersaline environment in Italy

Parasites & Vectors, 2011
Background Historically, non-native species of Gambusia (Poeciliidae) have been used to control larval stages of the Asian tiger mosquito, Stegomyia albopicta Reinert, Harbach et Kitching, 2004 throughout Italy.
Huyse Tine, Paladini Giuseppe, Shinn Andrew P   +2 more
doaj   +1 more source

PRELIMINARY PARASITOLOGICAL INVESTIGATION OF BROWN TROUT WITH NEW RECORDED SPECIES IN ARMENIA

Bulletin of the Iraq Natural History Museum
The browntrout Salmo trutta Linnaeus, 1758 is an important species for fisheries in Armenia,with a comparatively wide distribution in both wild habitats and aquaculture.
Oleg V. Shcherbako, Jon A. Mkrtchyan, Sargis A. Aghayan, Hasmik Sh. Gevorgyan, Valeri V. Grigoryan, Anush R. Hakobyan, Liana H. Grigoryan   +6 more
doaj   +1 more source

Taxifolin Modulates Transcriptomic Response to Heat Stress in Rainbow Trout, Oncorhynchus mykiss

Animals, 2022
Taxifolin is a natural flavonoid known for its antioxidant, anti-inflammatory, and antiproliferative effects on animals. In this work, we have studied the effect of this compound on rainbow trout, Oncorhynchus mykiss, a major object of aquaculture, under
Irina V. Sukhovskaya, Nadezhda P. Kantserova, Liudmila A. Lysenko, Alexey A. Morozov   +3 more
doaj   +1 more source