Browsing Nord Open Research Archive by Author "Vatsos, Ioannis N."
Now showing items 1-8 of 8
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Dietary approaches to improve mucosal health of Atlantic salmon (Salmo salar)
Nimalan, Nadanasabesan (PhD in Aquatic Biosciences;no. 50, Doctoral thesis, 2023) -
Earthworm, Perionyx excavatus as an alternate protein source for Nile tilapia : Effects on growth performance, blood biochemistry, erythrocyte morphology and intestinal health
Das, Bethi; Islam, S. M. Majharul; Nag, Sudipta Kumar; Al-Azim; Vatsos, Ioannis N.; Siddik, Muhammad A. B. (Peer reviewed; Journal article, 2024)Recently, an increasing disparity has emerged in the need for raw fish meal (FM) and its supply, along with the environmental and financial obstacles associated with its use. Therefore, increasing and elevating the diversity ... -
Efficacy and toxicity of orally administrated anti-coccidial drugs for innovative treatments of Myxobolus sp. infection in Puntazzo puntazzo
Athanassopoulou, F.; Karagouni, E.; Dotsika, E.; Ragias, V.; Tavla, J.; Christofilloyanis, P.; Vatsos, Ioannis N. (Journal article; Peer reviewed, 2004)This study tested drugs and therapeutic compounds to determine effective commercial treatment for fishes infected with myxosporeans. Two series of shore-based experiments and 1 field trial were performed. For the shore-based ... -
First report of Vibrio anguillarum isolation from diseased big scale sand smelt, Atherina boyeri Risso 1810, in Limnos, Greece
Yiagnisis, Maria; Vatsos, Ioannis N.; Kyriakou, C.; Alexis, Maria (Journal article; Peer reviewed, 2007)Vibriosis is an important disease of farmed and wild fish, caused by species of the genus Vibrio. During December 2000, high mortalities were observed in a wild population of big scale sand smelt Atherina boyeri in Limnos, ... -
Mucosal barrier status in Atlantic salmon fed rapeseed oil and Schizochytrium oil partly or fully replacing fish oil through winter depression
Islam, SM Majharul; Willora, Florence Perera; Sørensen, Mette; Rbbani, Golam; Siddik, Muhammad A.B.; Zatti, Kyla; Gupta, Shruti; Carr, Ian; Santigosa, Ester; Brinchmann, Monica F.; Thompson, Kim D.; Vatsos, Ioannis N. (Peer reviewed; Journal article, 2024)The study was designed to investigate the effects of replacing fish oil by algal oil and rapeseed oil on histomorphology indices of the intestine, skin and gill, mucosal barrier status and immune-related genes of mucin and ... -
Replacement of fishmeal with plant protein in the diets of juvenile lumpfish (Cyclopterus lumpus, L. 1758) : Effects on digestive enzymes and microscopic structure of the digestive tract.
Willora, Florence Perera; Vatsos, Ioannis N.; Mallioris, Panagiotis; Bordignon, Francesco; Keizer, Sven; Martinez-Llorens, Silvia; Sørensen, Mette; Hagen, Ørjan (Peer reviewed; Journal article, 2022)This study investigated the effects of plant protein concentrates on the activity of digestive enzymes and microscopic structure of the intestine of juvenile lumpfish. The experiment was carried out using triplicate groups ... -
Seaweed extracts as antimicrobial agents in aquaculture
Vatsos, Ioannis N.; Rebours, Celine (Journal article; Peer reviewed, 2014)In the last 20 years, there has been an increasing interest in using various seaweed extracts as prophylactic and/or therapeutic agents in aquaculture. Up until now, most studies on the direct antimicrobial effect of ... -
Starvation of Flavobacterium psychrophilum in broth, stream water and distilled water
Vatsos, Ioannis N.; Thompson, Kim D.; Adams, Alexandra (Journal article; Peer reviewed, 2003)Physical changes in Flavobacterium psychrophilum, the causative agent of rainbow trout fry syndrome (RTFS), were examined over a 19 wk period of starvation. Bacteria were maintained in either Cytophaga broth, filtered ...