Matthias Oddgeirsson

Matthias Oddgeirsson
Marine and Freshwater Research Institute | MRI

About

7
Publications
924
Reads
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216
Citations
Introduction
Skills and Expertise
Additional affiliations
January 2009 - December 2010
Matis ltd.

Publications

Publications (7)
Article
The stock structure of turbot was investigated between samples from S-Norway, the Irish Sea and the Kattegat, using 12 microsatellite loci and compared to the turbot caught in Icelandic waters. Highly significant genetic differentiation was observed between samples from Kattegat and other areas. Significant genetic differentiation was also observed...
Article
The effects of stocking density on the productivity in a juvenile cod farm were studied in a flow-through system for fish weighing initially 44 g. The fish densities increased throughout the experiment from 4 to 21, 11 to 54 and 22 to 95 kg/m3. Growth rates were negatively affected at densities above 50 kg/m3 and at the end of the experiment the me...
Article
An intervention study was conducted at early juvenile stage of Atlantic cod (Gadus morhua L.) rearing to confirm the properties of two prospective probionts, Arthrobacter sp. and Enterococcus sp. isolated from a cod hatchery. Juveniles (10 g) were fed expanded dry feed for 28 or 55 days, either untreated or treated with the probiotic bacteria in mi...
Article
To study the effect of ova disinfection, antibiotic and microbial treatments on the dominant cultivable cod rearing microbiota at pre- and posthatch stages, determining some virulence-related phenotypic traits among bacterial isolates and their relation to larval survival. Sampling of rearing systems (rearing water, ova, larvae, feeds and supplemen...
Article
Six size groups of hatchery produced turbot (2–499g) were reared at six constant temperatures (10–25°C). The results were used to develop a mathematical model for growth rate and feed conversion in turbot. At each temperature there were linear relationships between logarithms of (a) specific growth rate (G%/day) and body weight (Wg), and (b) feed c...
Article
To assess the effects of bacterial treatment at the earliest stages of cod rearing on the microbial load, larval development and performance, testing three bacterial strains (Carnobacterium divergens V41, Arthrobacter sp. and Enterococcus sp.) in vivo that were previously shown to have inhibitory potential towards fish pathogens in vitro. A bacteri...
Article
Cod larval culture is currently hampered by high mortalities in the first 2-3 weeks after hatching, often due to infectious diseases. The immune system of cod is not fully competent until 2-3 months after hatching. Conventional vaccination is, therefore, not of value before this time, and the larvae are wholly reliant on non-specific parameters for...

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