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Ivar Rønnestad

Ivar Rønnestad

D-Index & Metrics

Biology and Biochemistry

D-Index
61
Citations
11749
World Ranking
11481
National Ranking
53

Overview

Ivar Rønnestad is affiliated with the University of Bergen in Norway and conducts research primarily in the fields of Agricultural and Biological Sciences and Environmental Science. Their work spans various subfields including Aquatic Science, Immunology, Endocrine and Autonomic Systems, Ecology, and Nature and Landscape Conservation.

The scientist has published extensively on topics related to aquaculture nutrition and growth, aquaculture disease management and microbiota, physiological and biochemical adaptations, regulation of appetite and obesity, fish ecology and management studies, water quality monitoring technologies, and animal nutrition and physiology.

Among recent published papers are:

  • Effects of temperature on feeding and digestive processes in fish (2020, Temperature)
  • Hypothalamic agrp and pomc mRNA Responses to Gastrointestinal Fullness and Fasting in Atlantic Salmon (Salmo salar, L.) (2020, Frontiers in Physiology)
  • The Melanocortin System in Atlantic Salmon (Salmo salar L.) and Its Role in Appetite Control (2020, Frontiers in Neuroanatomy)
  • Combined effects of a simulated marine heatwave and an algal toxin on a tropical marine aquaculture fish cobia (Rachycentron canadum) (2020, Aquaculture Research)
  • Assessing microplastic as a vector for chemical entry into fish larvae using a novel tube-feeding approach (2020, Chemosphere)

Frequent co-authors collaborating with Ivar Rønnestad include:

  • Ana S. Gomes
  • Floriana Lai
  • Tiziano Verri
  • Sigurd O. Handeland
  • Sergey Budaev

The scientist's work has been published in several prominent venues, with multiple contributions to:

  • Aquaculture
  • SSRN Electronic Journal
  • Frontiers in Marine Science
  • Frontiers in Physiology
  • General and Comparative Endocrinology

Best Publications

  • Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research

    Ivar Rønnestad;Manuel Yúfera;Bernd Ueberschär;Laura Ribeiro

  • Fish larval nutrition and feed formulation - knowledge gaps and bottlenecks for advances in larval rearing

    Kristin Hamre;Manuel Yúfera;Ivar Rønnestad;Clara Boglione

  • Fish larval nutrition: a review of recent advances in the roles of amino acids

    Ivar Rønnestad;Anders Thorsen;Roderick Nigel Finn

  • Effects of temperature on feeding and digestive processes in fish.

    Helene Volkoff;Ivar Rønnestad

  • Production of recombinant leptin and its effects on food intake in rainbow trout (Oncorhynchus mykiss).

    Koji Murashita;Susumu Uji;Takeshi Yamamoto;Ivar Rønnestad

  • The supply of amino acids during early feeding stages of marine fish larvae: a review of recent findings

    I. Rønnestad;S.K. Tonheim;H.J. Fyhn;C.R. Rojas-Garcı́a

  • Free Amino Acids Are Absorbed Faster and Assimilated More Efficiently than Protein in Postlarval Senegal Sole (Solea senegalensis)

    Ivar Rønnestad;Luis E. C. Conceição;Claudia Aragão;Maria T. Dinis

  • Appetite-Controlling Endocrine Systems in Teleosts

    Ivar Rønnestad;Ana S. Gomes;Koji Murashita;Rita Angotzi

  • Expression and activities of pancreatic enzymes in developing sea bass larvae (Dicentrarchus labrax) in relation to intact and hydrolyzed dietary protein; involvement of cholecystokinin

    C. Cahu;I. Rønnestad;V. Grangier;J.L. Zambonino Infante

  • Fuel and metabolic scaling during the early life stages of Atlantic cod Gadus morhua

    Roderick Nigel Finn;Ivar Rønnestad;Terje van der Meeren;Hans Jørgen Fyhn

  • Leptin and leptin receptor genes in Atlantic salmon: Cloning, phylogeny, tissue distribution and expression correlated to long-term feeding status

    Ivar Rønnestad;Tom Ole Nilsen;Koji Murashita;Anna Rita Angotzi

  • Metabolic aspects of free amino acids in developing marine fish eggs and larvae

    Ivar Rønnestad;Hans Jørgen Fyhn

  • Amino acid requirements of fish larvae and post-larvae: new tools and recent findings

    L.E.C. Conceição;H. Grasdalen;I. Rønnestad

  • Energy metabolism during development of eggs and larvae of gilthead sea bream (Sparus aurata)

    I. Rønnestad;W. M. Koven;A. Tandler;M. Harel

  • Several micronutrients in the rotifer Brachionus sp. may not fulfil the nutritional requirements of marine fish larvae

    K. Hamre;A. Srivastava;A. Srivastava;I. Rønnestad;A. Mangor-Jensen

  • Ghrelin, cholecystokinin, and peptide YY in Atlantic salmon (Salmo salar): molecular cloning and tissue expression.

    Koji Murashita;Tadahide Kurokawa;Tom Ole Nilsen;Ivar Rønnestad

  • Characterization, tissue distribution, and regulation of agouti-related protein (AgRP), cocaine- and amphetamine-regulated transcript (CART) and neuropeptide Y (NPY) in Atlantic salmon (Salmo salar).

    Koji Murashita;Tadahide Kurokawa;Lars O.E. Ebbesson;Sigurd O. Stefansson

  • A balanced dietary amino acid profile improves amino acid retention in post-larval Senegalese sole (Solea senegalensis)

    Cláudia Aragão;Luis E.C. Conceição;Dulce Martins;Ivar Rønnestad

  • Digestive physiology of marine fish larvae: Hormonal control and processing capacity for proteins, peptides and amino acids

    I. Rønnestad;Y. Kamisaka;L.E.C. Conceição;S. Morais

  • Fish larval nutrition and feed formulation – knowledge gaps and bottlenecks for advances in larval rearing (a larvanet review).

    Kristin Hamre;Manuel Yúfera;L. E. C. Conceição;Ivar Rønnestad

Frequent Co-Authors

Luís E.C. Conceição
Luís E.C. Conceição University of Algarve
Kristin Hamre
Kristin Hamre Norwegian Institute of Marine Research
Marit Espe
Marit Espe Institute of Marine Research
Manuel Yúfera
Manuel Yúfera Spanish National Research Council
Maria Teresa Dinis
Maria Teresa Dinis University of Algarve
Sigurd O. Stefansson
Sigurd O. Stefansson University of Bergen
Björn Thrandur Björnsson
Björn Thrandur Björnsson University of Gothenburg
Øyvind Lie
Øyvind Lie National Institute of Nutrition
Deborah M. Power
Deborah M. Power University of Algarve
Masaru Tanaka
Masaru Tanaka Kyoto University

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