Results 91 to 100 of about 5,126 (257)

Tetracapsuloides bryosalmonae abundance in river water [PDF]

open access: yes, 2017
The file attached is the Accepted/final draft post-refereeing version of the ...
Fontes, I   +4 more
core   +1 more source

A Scoping Review of Naturally Occurring Xenomas in Fish: Clinical Features, Diagnostic Approaches, and Knowledge Gaps

open access: yesParasitologia
Xenomas are distinctive hypertrophic host-cell lesions caused by intracellular parasites and represent a recurrent pathological finding in wild and farmed fish.
Alessia Mariacher   +8 more
doaj   +1 more source

Kudoa sciaenae (Myxozoa: Multivalvulidae) cysts distribution in the somatic muscles of Stellifer minor (Tschudi, 1844) (Pisces: Sciaenidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1992
The distribution of Kudoa sciaenae cysts (Myxozoa), in terms of intensity and prevalence, in the somatic muscles of the sciaenid Stellifer minor, shows an apparent preference for the anterior body region, including the head. The observed preference seems
Marcelo Oliva   +3 more
doaj   +1 more source

Fish Gut Metabarcoding Detects Diets and Parasites Simultaneously

open access: yesEnvironmental DNA, Volume 6, Issue 6, November–December 2024.
Understanding dietary habits and trophic niches of species is crucial for the conservation and management of species and ecosystems. We applied a multimarker metabarcoding approach to assess the diet and parasites of commercially exploited beaked redfish (Sebastes mentella).
Dilli Prasad Rijal   +7 more
wiley   +1 more source

The Evolutionary Reorganization of Ontogeny and Origin of Multicellularity [PDF]

open access: yes, 2010
The formation of morphogenetic mechanisms during emergence of multicellularity is discussed in this ...
Dovgal, I. V.
core   +1 more source

Evolutionary diversification and immunoprofiling of cathepsin L toolkit in common carp

open access: yesFrontiers in Cellular and Infection Microbiology
Cysteine cathepsins are central regulators of lysosomal proteolysis, immune and metabolic homeostasis, yet the evolutionary forces shaping their diversification in vertebrates remain incompletely understood.
Sagar Nayak   +11 more
doaj   +1 more source

Parasitofauna de cachara cultivado em tanque-rede no rio Paraguai

open access: yesPesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi descrever a fauna parasitária de cachara (Pseudoplatystoma reticulatum) cultivado em tanque-rede, no rio Paraguai. Dez peixes com peso médio de 598,0±81,3 g e comprimento total médio de 38,6±1,6 cm foram examinados. Todos os
Gabriela Tomas Jeronimo   +5 more
doaj   +1 more source

Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2

open access: yesEFSA Journal, Volume 22, Issue 11, November 2024.
Abstract The objective of this opinion was to determine if any wild caught fish species, originating from specific fishing grounds and consumed in the EU/EFTA could be considered free of zoonotic parasites. In this Opinion the term ‘fishery products’ only refers to fresh finfish.
EFSA Panel on Biological Hazards (BIOHAZ)   +25 more
wiley   +1 more source

Myxobolus sp. and Henneguya sp. (Cnidaria: Myxobolidae) natural co-infection in the kidney of Piaractus mesopotamicus(Characiformes: Serrasalmidae) [PDF]

open access: yes, 2017
This study evaluated the myxozoan infection and histopathology of the kidney of freshwater fish Piaractus mesopotamicus from intensive fish farming in Brazil. A total of 55 fish were examined for myxozoan infection.
Belo, M. A. A.   +4 more
core   +1 more source

Communities of metazoan parasites in seven sympatric skate species (Elasmobranchii, Rajidae) from the English Channel and Celtic Sea differing in conservation status

open access: yesJournal of Fish Biology, Volume 105, Issue 3, Page 975-987, September 2024.
Abstract Elasmobranch populations are in steep decline mainly due to overfishing bycatch, but parasites may accelerate the collapse of vulnerable and/or highly parasitized species. We therefore studied metazoan parasites of Rajidae from the northeast Atlantic: vulnerable Leucoraja fullonica, near‐threatened Raja brachyura, Raja clavata, Raja ...
Claudia Gérard   +7 more
wiley   +1 more source

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