A5042818745- Aquaculture Nutrition and Growth
- Fish Ecology and Management Studies
- Marine and fisheries research
- Aquaculture disease management and microbiota
- Identification and Quantification in Food
- Genetic diversity and population structure
- Ichthyology and Marine Biology
- Meat and Animal Product Quality
- Antioxidant Activity and Oxidative Stress
- Fish Biology and Ecology Studies
- Marine Bivalve and Aquaculture Studies
- Gut microbiota and health
- Physiological and biochemical adaptations
- Genetic and phenotypic traits in livestock
- Seaweed-derived Bioactive Compounds
- Environmental DNA in Biodiversity Studies
- Botany and Plant Ecology Studies
- Atmospheric and Environmental Gas Dynamics
- Coral and Marine Ecosystems Studies
- Hidradenitis Suppurativa and Treatments
- Moringa oleifera research and applications
- Reproductive biology and impacts on aquatic species
- Water Quality Monitoring Technologies
- Fish biology, ecology, and behavior
- Animal Nutrition and Physiology
Ollscoil na Gaillimhe – University of Galway
2011-2022
Fafo Foundation
2018
Nofima
2018
OGT Amenity (Ireland)
2018
University of Malaya
2018
Marine Institute
2018
National University of Ireland
1998-2016
Tallaght University Hospital
2014-2015
Queen's University Belfast
2015
University College Cork
1996-2003
There is a dearth of information on the precise pathogenesis hidradenitis suppurativa (HS), but immune dysregulation implicated.To determine nature response in HS.Skin biopsies - lesional, perilesional (2 cm away) and uninvolved (10 were obtained from patients with HS healthy controls. The expression various cytokines was determined by enzyme-linked immunosorbent assay, flow cytometry real-time polymerase chain reaction.The inflammatory interleukin (IL)-17, IL-1β tumour necrosis factor-α...
Abstract Macroalgae, commonly known as seaweed, offer a novel and added‐value dietary ingredient in formulated diets for fish. Production of biomass can be achieved without reliance on expensive arable land, seaweed may collected from coastal regions or farmed. There are three taxonomic groups represented by the term ‘macroalgae’: Rhodophyta (red), Chlorophyta (green) Phaeophyta (brown). Like terrestrial plants, nutritional content macroalgae vary greatly amongst species, genera, divisions,...
This study examines the potential of next-generation sequencing based 'genotyping-by-sequencing' (GBS) microsatellite loci for rapid and cost-effective genotyping in large-scale population genetic studies. The recovery individual genotypes from large sequence pools was achieved by PCR-incorporated combinatorial barcoding using universal primers. Three experimental conditions were employed to explore possibility this approach with existing novel multiplex marker panels weighted amplicon...
Higher growth capacity and food conversion efficiency was observed in populations of juvenile halibut from high Hippoglossus hippoglossus compared lower latitudes. In addition, temperature adaptation shown by the optimum for Norwegian population (mean±S.E. 12·9±0·10 C) with Icelandic Canadian (14·2±0·2 13·9±0±30 C respectively), seems to occur. Overall data support hypothesis countergradient variation growth. These results have implications firstly selection focusing on performance culture;...
Fish fillet quality has been shown to be influenced by the level of antioxidants in preslaughter diet. Thus, an experiment was conducted study effect different levels vitamin E and C on market-size reared turbot (Scophthalmus maximus). Turbot a mean initial weight 347 ± 20 g were divided into four groups fed commercial diets (60% protein, 12% fat), supplemented with α-tocopheryl acetate (mg kg−1) ascorbyl-2 monophosphate at following dietary levels: 500/100, 1000/100, 100/1000, 100/100...
Turbot Scophthalmus maximus is the focus of a rapidly expanding aquaculture industry, while at same time wild catches appear to be in decline. As preliminary investigation into effects hatchery rearing, genetic variation three polymorphic microsatellite loci was assessed two populations and farmed strains turbot, from Ireland Norway. Although considerable loss rare alleles observed Irish strain, no statistically significant reductions were found mean heterozygosity or allelic diversity...
In the context of future aquaculture intensification, a longitudinal ten-year evaluation current traditional rainbow trout production in Ireland was performed. Publically available and independent data obtained from local authorities were gathered analysed. Inlet outlet concentrations parameters such as BOD
The distribution and demographic patterns of marine organisms in the north Atlantic were largely shaped by climatic changes during Pleistocene, when recurrent glacial maxima forced them to move south or survive northern peri-glacial refugia. These also influenced biological ecological factors intrinsic each species, namely their dispersion ability. ballan wrasse ( Labrus bergylta ), largest labrid fish along Europe's continental margins, is a target for fisheries aquaculture industry....
Traditional freshwater rainbow trout farms are still popular in some European countries such as Poland, France and Ireland. These systems generally operate flow-through configuration. The impact production might have on water quality remains mostly unknown. present study was set up to fulfil this objective of monitoring different fish farm locations order identify the impacts whole (comparison inlet outlet) at pond scale understand dynamics better multiple reuse (water passes) a given...
Abstract Background Aquaculture successfully meets global food demands for many fish species. However, aquaculture production of Atlantic cod ( Gadus morhua ) is just 2.5% total market production. For farming to be a viable economic venture specific challenges on how increase growth, health and productivity need addressed. Feed ingredients play key role here. Macroalgae (seaweeds) have been suggested as functional feed supplement with both benefits terrestrial farmed animals fish. The impact...
The effects of dietary α-tocopheryl acetate supplementation and different slaughtering methods were investigated on the flesh quality farmed market-size turbot Scophthalmus maximus (L). Turbot divided into three groups fed commercial diets, supplemented with levels at following inclusion levels: 72 (100), 547 (500), 969 (1000) (mg kg−1 diet, analytical values diet codes in brackets). After 5 months, fish (mean weight 1056 ± 19.7 g) from each treatment sampled, applying methods: (A) bleeding...
Fish fillet quality may be influenced by the antioxidant level in preslaughter diet. Thus, effects of dietary α-tocopheryl acetate supplementation and feeding time on flesh farmed Atlantic halibut Hippoglossus hippoglossus L. were investigated. Halibut mean initial weight 312 ± 12.3 g divided into two groups fed commercial diets, supplemented with different levels at inclusion 189 613 mg kg−1 sampled after 6,9,12 24 weeks. Over experimental period, they reached a final 1320 108.4 g. Tissue...
Growth rate of individually tagged medium–sized (249±6·9 g) juvenile halibut was 18% lower when medium sized fish were reared alone (treatment Mm) as compared with rearing either large/dominant (382±12·1 (Ml) or small/subordinate (158±3·1 (Ms) conspecifics. The coefficient variation weight increased in both the Mm and Ml group whereas it stable Ms group. Size rank correlation between initial final highest lowest Ms. A negative found also overall growth for treatment groups but not other...
Abstract D'Arcy, J., Mirimin, L., and FitzGerald, R. Phylogeographic structure of a protogynous hermaphrodite species, the ballan wrasse Labrus bergylta, in Ireland, Scotland, Norway, using mitochondrial DNA sequence data. – ICES Journal Marine Science, 70: 685–693. The wrasse, is marine fish species that inhabits coastal waters eastern North Atlantic. Sequential tend to be characterized by skewed sex ratio, which thought lead marked population structuring due reduced effective number...
The transition between endogenous and exogenous feeding in hatchery production of fish larvae has long been a bottleneck to increased production. Identification alternative prey species with wider array nutritional profiles is essential for further expansion diversification within the aquaculture industry. Traditional morphological methods identify dietary composition are limited. In this study, we present novel DNA-based methodology identifying gut contents larval that independent retaining...
The use of Palmaria palmata (PP) as a natural ingredient in farmed Atlantic salmon diets was investigated. effect diet supplementation with P. (0, 5, 10 and 15%) or synthetic astaxanthin (positive control, PC) for 16 weeks pre-slaughter on quality indices fresh fillets examined. susceptibility fillets/homogenates to oxidative stress conditions also measured.In stored modified atmosphere packs (60% N2 /40% CO2 ) up 15 days at 4 °C, increased surface -a* (greenness) b* (yellowness) values...