Results 101 to 110 of about 5,126 (257)

Disruption of gut integrity and permeability contributes to enteritis in a fish‑parasite model: a story told from serum metabolomics [PDF]

open access: yes, 2019
Background In the animal production sector, enteritis is responsible for serious economic losses, and intestinal parasitism is a major stress factor leading to malnutrition and lowered performance and animal production efficiency.
Calduch‑Giner, Josep A.   +10 more
core   +5 more sources

Investigation on parasitic infestation of Labeo rohita (Hamilton, 1822) in the south‐western region of Bangladesh

open access: yesVeterinary Medicine and Science, Volume 10, Issue 4, July 2024.
Over the study, 180 L. rohita specimens were examined,, revealing the presence of six distinct parasite species, consisting of endoparasites. Through microscopic examination, a total of 323 parasites were investigated, categories including Cestode, Nematode, Acanthocephala, Trematode and Digenia, predominantly residing in the intestines and liver of L.
Basir Ahammad   +4 more
wiley   +1 more source

A halélősködő nyálkaspórások fejlődésének, kórtanának és fajlagosságának vizsgálata kísérletes és molekuláris biológiai módszerekkel = Studies on the development, pathogenicity and host specificity of fish myxosporeans by experimental and molecular biological methods [PDF]

open access: yes, 2007
Balatonból, Kis-Balatonból, Dunából és Tiszából, valamint néhány tógazdaságból gyűjtött halon vizsgáltuk a nyálkaspórás fertőzöttség alakulását, és ugyanezen biotópokon tanulmányoztuk a nyálkaspórások oligochaeta férgekben élő actinospóra stádiumainak ...
Eszterbauer, Edit   +3 more
core  

Radiodiagnostic method for studying swimbladder inflammation caused by Anguillicola crassus (Nematoda:Dracunculoidea) [PDF]

open access: yes, 1998
The nematode Anguillicola crassus appeared in Europe about 15 yr ago, and has subsequently become recognised as a cause of major pathological lesions in the swimbladder of the European eel Anguilla anguilla. The radiographic method reported in this paper
Beregi, Attila   +3 more
core   +1 more source

Myxozoa in Haeckels Shadow

open access: yesCell & Developmental Biology, 2015
The “new” Cnidaria incorporating oligocellular myxozoans with multicellular cnidarians flouts Ernst Haeckel’s biogenetic law and challenges contemporary hierarchical preconceptions of evolution, development, and biological structure. Instead of distorting definitions of embryos, tissues, and organs in order to bring once - unicellular eukaryotes under ...
openaire   +1 more source

Scientific history, biogeography, and biological traits predict presence of cryptic or overlooked species

open access: yesBiological Reviews, Volume 99, Issue 2, Page 546-561, April 2024.
ABSTRACT Genetic data show that many nominal species are composed of more than one biological species, and thus contain cryptic species in the broad sense (including overlooked species). When ignored, cryptic species generate confusion which, beyond biodiversity or vulnerability underestimation, blurs our understanding of ecological and evolutionary ...
Abigail E. Cahill   +2 more
wiley   +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 1: ToRs1–3

open access: yesEFSA Journal, Volume 22, Issue 4, April 2024.
Abstract Surveillance data published since 2010, although limited, showed that there is no evidence of zoonotic parasite infection in market quality Atlantic salmon, marine rainbow trout, gilthead seabream, turbot, meagre, Atlantic halibut, common carp and European catfish.
EFSA Panel on Biological Hazards (BIOHAZ)   +30 more
wiley   +1 more source

Tissue Characteristics and Development in Myxozoa

open access: yesInvertebrate Biology, 2015
For most of the time that they have been recognised, myxozoans were viewed to lack any tissue-level of development. However, the discovery of malacosporean stages in freshwater bryozoans revealed recognisable tissues in the form of epithelial sheets and musculature.
Alexander Gruhl, Beth Okamura
openaire   +3 more sources

Exceptional endemicity of Aotearoa New Zealand biota shows how taxa dispersal traits, but not phylogeny, correlate with global species richness

open access: yesJournal of the Royal Society of New Zealand, Volume 54, Issue 1, Page 144-159, February 2024.
ABSTRACT Species’ with more limited dispersal and consequently less gene flow are more likely to form new spatially segregated species and thus contribute disproportionally to endemic biota and global species richness. Aotearoa New Zealand has exceptional endemicity, with 52% of its 54,000 named species endemic, including 32%, 39% and 68% for ...
Mark John Costello
wiley   +1 more source

Large‐scale eDNA monitoring of multiple aquatic pathogens as a tool to provide risk maps for wildlife diseases

open access: yesEnvironmental DNA, Volume 6, Issue 1, January–February 2024.
Environmental DNA techniques can be applied for the simultaneous detection of multiple aquatic wildlife pathogen species. In this study we conducted an eDNA‐based survey monitoring several pathogens of concern in Switzerland. We identify advantages and limitations of eDNA‐based pathogen monitoring versus more conventional methods.
Natalie Sieber   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy