Results 61 to 70 of about 1,065 (171)

High concentration of levamisole in the diet of Colossoma macropomum (Pisces: Serrasalmidae) is effective for controlling monogenean parasites

Revista Brasileira de Parasitologia Veterinária, 2019
This study investigated the effects of diets supplemented with levamisole on monogeneans on the gills of Colossoma macropomum. Fish were fed with diets containing levamisole at concentrations of 0, 300, 600, 900 and 1200 mg kg-1 for 24, 96 and 240 h and ...
Joziele Neves Nogueira, Gracienhe Gomes Santos, Marcos Tavares-Dias   +2 more
doaj   +1 more source

Global Warming Affects the Pathogenesis of Important Fish Diseases in European Aquaculture

Reviews in Aquaculture, Volume 18, Issue 1, January 2026.
The effect of global warming on pathogens and their fish hosts that could exacerbate the negative outcomes for aquaculture. Changes in farming practices and the development of innovative mitigation tools may prove essential to cope with the effects and impacts of rising water temperatures on fish diseases in Europe.
George Rigos, Francesc Padrós, Maria Constenla, Ana Jerončić, Dimitra Kogiannou, Sofia Consuegra, Mikolaj Adamek, Ivona Mladineo   +7 more
wiley   +1 more source

Gill monogenean communities on three commercially important sparid fish in Omani waters

Journal of Agricultural and Marine Sciences, 2015
The prevalence and intensity of polyopisthocotylean monogeneans on the gills of three commercially important species of sparid caught in Omani coastal waters close to the city port of Muscat were determined and compared. Throughout May 2012 to April 2013,
Gilha Yoon, Hisham Al-Adawi, Andrew Shinn   +2 more
doaj   +1 more source

Fine structural observations on oocyte development in monogeneans

Parasitology, 1976
SummaryThe ultrastructural changes accompanying oocyte differentiation in the ovaries of the monogeneans, Diclidophora merlangi, Diplozoon paradoxum and Calicotyle kröyeri have been described. In each case, oogenesis in the ovary proceeds as far as meiotic prophase in the primary oocyte.
D W, Halton, S D, Stranock, A, Hardcastle   +2 more
openaire   +2 more sources

Features of the formation of fish parasitofauna in pond farms of the Almaty region, Kazakhstan [PDF]

Caspian Journal of Environmental Sciences
Pond fish farming in the Almaty region of Kazakhstan has expanded rapidly, yet no systematic survey of fish parasites has ever been conducted. To fill this gap, we examined 482 fish (common carp, grass carp, silver carp, and rainbow trout) from eight ...
Alfiya Baigutty, Bolat Yessimov, Iliyan Iliev, Ainur Jumagaliyeva   +3 more
doaj   +1 more source

Workshop no. 4. Biology of monogeneans

Parasitology, 1981
The oncomiracidia larvae of monogeneans are small, ciliated, relatively slow-moving organisms with a limited free-swimming life. For example, the oncomiracidium of the skin parasiteEntobdello, soleaeis 250 µm in length, swims at a speed of 5 mm/sec and lives for about 24 h (Kearn, 1967a).
openaire   +1 more source

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil) Parasitas de quatro peixes ornamentais do Rio Chumucuí (Bragança-Pará, Brasil)

Revista Brasileira de Parasitologia Veterinária, 2013
The objective of the present study was to evaluate the parasite fauna of four species of ornamental fish collected in the Chumucuí River, municipality of Bragança, Pará, Brazil. From June 2006 to December 2007.
Rodrigo Yudi Fujimoto, Zaira Monik Nunes de Barros, Adjalbas Nunes Marinho-Filho, Daniel Guerreiro Diniz, Jorge Costa Eiras   +4 more
doaj  

A new species of Characithecium (Monogenea: Dactylogyridae) from external surface and gills of two species of Astyanax (Ostariophysi: Characidae) in southern Brazil

Revista Mexicana de Biodiversidad, 2016
A new species of Characithecium, a genus of monogenean parasites of Neotropical characids, is described from specimens collected on the body surface and gills of Astyanax aff.
Moisés Gallas, Cláudia Calegaro-Marques, Suzana B. Amato   +2 more
doaj   +1 more source

Gyrodactylidae (Monogenea: Platyhelminthes) gill parasites of Tetragonopterinae (Characiformes: Characidae) from the upper Paraná River floodplain, Brazil

Acta Limnologica Brasiliensia, 2017
Aim: This study records Gyrodactylus neotropicalis and Anacanthocotyle anacanthocotyle in new hosts: Astyanax lacustris and Moenkhausia forestii, on the upper Paraná river floodplain. Besides, ecological aspects of the parasites distribution are explored.
Eloiza Muniz Capparros, Ricardo Massato Takemoto   +1 more
doaj   +1 more source

Occurrence and intensity of parasites in goldfish (Carassius auratus L.) from Guilan province fish ponds, north Iran

Croatian Journal of Fisheries, 2016
In this survey 109 specimens of goldfish (Carassius auratus) were collected from Guilan fish ponds during 2012-13. After recording biometric characteristics, common parasitology methods were used.
Roohi Javad Daghigh, Ghasemzadeh Kobra, Amini Masoomeh   +2 more
doaj   +1 more source