Browsing Brage IMR by Author "Lock, Erik Jan Robert"
Now showing items 1-18 of 18
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Application of laboratory methods for understanding fish responses to black soldier fly (Hermetia illucens) based diets
Zarantoniello, Matteo; Randazzo, Basilio; Secci, Giulia; Notarstefano, Valentina; Giorgini, Elisabetta; Lock, Erik Jan Robert; Parisi, Giuliana; Olivotto, Ike (Peer reviewed; Journal article, 2022)A major challenge for development of sustainable aquafeeds is its dependence on fish meal and fish oil. Replacement with more sustainable, nutritious and safe ingredients is now a priority. Over the last years, among several ... -
Assessing amino acid solubility of black soldier fly larvae meal in Atlantic salmon (Salmo salar) in vivo and in vitro
Radhakrishnan, Gopika; Silva, Marta Sofia; Lock, Erik Jan Robert; Belghit, Ikram; Philip, Antony Jesu Prabhu (Peer reviewed; Journal article, 2022)In vitro and in vivo methods were used to evaluate amino acids solubility of black soldier fly (BSF) larvae meal and two experimental diets (reference and test diets) for Atlantic salmon. The current study used in vitro ... -
Assessing mineral availability in fish feeds using complementary methods demonstrated with the example of zinc in atlantic salmon
Silva, Marta Sofia; Stewart, Thea; Amlund, Heidi; Sloth, Jens Jørgen; Araujo, Pedro; Lock, Erik Jan Robert; Hogstrand, Christer; Ørnsrud, Robin; Waagbø, Rune; Prabhu, P. Antony Jesu (Peer reviewed; Journal article, 2021)Assessing the availability of dietary micro-minerals is a major challenge in mineral nutrition of fish species. The present article aims to describe a systematic approach combining different methodologies to assess the ... -
Blue mussel (Mytilus edulis) silage, a possible low trophic marine protein source for Atlantic salmon (Salmo salar L.)
Sartipiyarahmadi, Sahar; Philip, Antony Jesu Prabhu; Forshei, Aksel N.; Sveier, Harald; Steinsund, Silje; Kleppe, Malin; Lock, Erik Jan Robert; Madaro, Angelico; Hansen, Tom Johnny; Strand, Øivind; Wiech, Martin; Jakobsen, Jan Vidar; Remø, Sofie C. (Peer reviewed; Journal article, 2024)Blue mussel (Mytilus edulis) could be a promising marine protein source in fish feeds and is of great interest since it can be cultivated along the Norwegian coastline. However, the use of blue mussels in feeds is dependent ... -
Co-diversification of an intestinal Mycoplasma and its salmonid host
Rasmussen, Jacob A.; Kiilerich, Pia; Madhun, Abdullah Sami; Waagbø, Rune; Lock, Erik Jan Robert; Madsen, Lise; Gilbert, Marcus Thomas Pius; Kristiansen, Karsten; Limborg, Morten T. (Peer reviewed; Journal article, 2023)Understanding the evolutionary relationships between a host and its intestinal resident bacteria can transform how we understand adaptive phenotypic traits. The interplay between hosts and their resident bacteria inevitably ... -
Dietary zinc, selenium and water temperature during early seawater phase influences the development of vertebral deformities and cataract in adult Atlantic salmon
Philip, Antony Jesu Prabhu; Fjelldal, Per Gunnar; Remø, Sofie C.; Silva, Marta Sofia; Holme, May-Helen; Lock, Erik Jan Robert; Waagbø, Rune (Peer reviewed; Journal article, 2023)The impact of dietary trace minerals (TM; zinc and selenium) and water temperature during early seawater phase on the development of vertebral deformities and cataracts in adult Atlantic salmon was studied. Two experimental ... -
Evaluating the fillet quality and sensory characteristics of Atlantic salmon (Salmo salar) fed black soldier fly larvae meal for whole production cycle in sea cages
Radhakrishnan, Gopika; Philip, Antony Jesu Prabhu; Caimi, Christian; Lock, Erik Jan Robert; Araujo, Pedro; Liland, Nina Sylvia; Rocha, Celia; Cunha, Luís Miguel; Gasco, Laura; Belghit, Ikram (Peer reviewed; Journal article, 2024)There is scarce research on the use of black soldier fly larvae (BSFL) meal in the diets of Atlantic salmon (Salmo salar) reared in a real farm. Thus, the current study aimed to evaluate the effect of feeding BSFL meal to ... -
Evaluation of black soldier fly larvae meal as a functional feed ingredient in Atlantic salmon (Salmo salar) under farm-like conditions
Radhakrishnan, Gopika; Liland, Nina Sylvia; Koch, Marianne Wethe; Lock, Erik Jan Robert; Philip, Antony Jesu Prabhu; Belghit, Ikram (Peer reviewed; Journal article, 2023)Atlantic salmon (Salmo salar) were fed diets containing black soldier fly larvae (BSFL) meal at two inclusion levels for 13 months in open sea-cages. BSFL meal replaced plant-based ingredients and dietary insect meal ... -
Future feed control – Tracing banned bovine material in insect meal
Belghit, Ikram; Varunjikar, Madhushri Shrikant; Lecrenier, Marie-Caroline; Steinhilber, A.; Niedzwiecka, A.; Wang, Y.V.; Dieu, Marc; Azzollini, D.; Lie, Kai Kristoffer; Lock, Erik Jan Robert; Berntssen, Marc HG; Renard, Patricia; Zagon, Jutta; Fumière, Olivier; van Loon, Loon; Larsen, Thomas; Poetz, O.; Braeuning, Albert; Palmblad, Magnus; Rasinger, Josef (Peer reviewed; Journal article, 2021)In the present study, we assessed if different legacy and novel molecular analyses approaches can detect and trace prohibited bovine material in insects reared to produce processed animal protein (PAP). Newly hatched black ... -
Future feed resources in sustainable salmonid production: A review
Albrektsen, Sissel; Kortet, Raine; Skov, Peter Vilhelm; Ytteborg, Elisabeth; Gitlesen, Susanne; Kleinegris, Dorinde Mechtilde Meike; Mydland, Liv Torunn; Hansen, Jon Øvrum; Lock, Erik Jan Robert; Mørkøre, Turid; James, Philip; Wang, Xinxin; Dragøy, Ragnhild; Vang, Birthe; Hatlen, Bjarne; Daneshvar, Ehsan; Bhatnager, Amit; Jensen, Linda B.; Øverland, Margareth (Peer reviewed; Journal article, 2022)Aquaculture is one of the most resource-efficient and sustainable ways to produce animal protein. The Food and Agriculture Organization predicts that cultivated aquatic species will provide around 53% of the world's seafood ... -
Growth Performance, Nutrient Digestibility, and Retention in Atlantic Salmon, Salmo salar L., Fed Diets with Fermented Sugar Kelp, Saccharina latissima
Sartipiyarahmadi, Sahar; Philip, Antony Jesu Prabhu; Sveier, Harald; Steinsund, Silje; Lock, Erik Jan Robert; Madaro, Angelico; Hansen, Tom Johnny; Wiech, Martin; Strand, Øivind; Jakobsen, Jan Vidar; Van Der Heide, Marleen E.; Nørgaard, Jan Værum; Remø, Sofie C. (Peer reviewed; Journal article, 2023)Using low trophic marine resources such as sugar kelp (Saccharina latissimi) is of great interest to increase the circular food production in the ocean. Sugar kelp does, however, contain high levels of carbohydrates and ... -
Impact of dietary zinc and seawater transfer on zinc status, availability, endogenous loss and osmoregulatory responses in Atlantic salmon smolt fed low fish meal feeds
Yarahmadi, Sahar Sartipi; Marques Rodrigues Da Silva, Marta Sofia; Holme, May-Helen; Morken, Thea; Remø, Sofie c; Araujo, Hernandez Pedro W; Lock, Erik Jan Robert; Waagbø, Rune; Prabhu, P. Antony Jesu (Peer reviewed; Journal article, 2022)Atlantic salmon fed low fish meal feeds supplemented with zinc (Zn) were studied in two feeding trials. In trial I, Atlantic salmon parr were fed six graded Zn levels (40 to 249 mg kg−1 as ZnSO4) for 8 weeks in freshwater ... -
In vitro assessment of protein digestibility and mineral solubility of black soldier fly larvae meals for monogastric animals
Silva, Marta Sofia; Matos, Rita; Araujo, Pedro; Lock, Erik Jan Robert; Radhakrishnan, Gopika; Prabhu, P. Antony Jesu; Belghit, Ikram (Peer reviewed; Journal article, 2022)Animal farming is a fast-growing sector which demands a large supply of feed materials and the search for novel feed ingredients with a smaller impact on the global environment has been intensified. However, before the ... -
Life history traits for Ophryotrocha craigsmithi (Wiklund, Glover & Dahlgren, 2009), a candidate species in integrated multitrophic aquaculture
Svensson, Signe Gunborg Bentzröd; Strohmeier, Tore; Rastrick, Helen; Aguera, Antonio; Lock, Erik Jan Robert; Sveier, Harald; Jansen, Henrice M (Peer reviewed; Journal article, 2023)Ophryotrocha craigsmithi (Wiklund, Glover & Dahlgren, 2009) has repeatedly been observed in high densities at salmonid fish farms in Norway and has been shown to feed on the organic waste released during fish production. ... -
A meta-analysis on the nutritional value of insects in aquafeeds
Liland, Nina Sylvia; Araujo, Pedro; Xu, X.X.; Lock, Erik Jan Robert; Radhakrishnan, Gowtham; Prabhu, P. Antony Jesu; Belghit, Ikram (Peer reviewed; Journal article, 2021)A major challenge for development of sustainable aquafeeds is its dependence on fish meal and fish oil. Similarly, it is unwanted to include more plant ingredients which adds more pressure on resources like arable land, ... -
Polycyclic aromatic hydrocarbons modulate the activity of Atlantic cod (Gadus morhua) vitamin D receptor paralogs in vitro
Goksøyr, Siri Øfsthus; Goldstone, Jed; Lille-Langøy, Roger; Lock, Erik Jan Robert; Olsvik, Pål Asgeir; Goksøyr, Anders; Karlsen, Odd André (Peer reviewed; Journal article, 2021)Vitamin D receptor (VDR) mediates the biological function of the steroid hormone calcitriol, which is the metabolically active version of vitamin D. Calcitriol is important for a wide array of physiological functions, ... -
A rapid acid hydrolysis method for the determination of chitin in fish feed supplemented with black soldier fly (Hermetia illucens) larvae
Araujo, Pedro; Tamirat, Temesgen; Breivik, Joar Fjørtoft; Abdulkader, Bashir; Belghit, Ikram; Lock, Erik Jan Robert (Peer reviewed; Journal article, 2022)Insects are a natural source of feed for fish and have received more attention as a potential source of sustainable high-quality protein. However, contrasting results in different feeding trials have been ascribed to the ... -
Risk assessment of potentially toxic elements (heavy metals and arsenic) in soil and fertiliser products – fate and effects in the food chain and the environment in Norway - Scientific opinion of the Panel on Animal Feed of the Norwegian Scientific Committee for Food and Environment
Eggen, Trine; Amlund, Heidi; Barneveld, Robert; Bernhoft, Aksel; Eriksen, Gunnar Sundstøl; Flem, Belinda Eline; Källqvist, Torsten; Sverdrup, Line Emilie Tvedt; Trapp, Stefan; Øgaard, Anne Falk; Fæste, Christiane Kruse; Lock, Erik Jan Robert; Nesse, Live Lingaas; Ringø, Einar; Steinshamn, Håvard; Ørnsrud, Robin; Krogdahl, Åshild; Gifstad, Tron Øystein (Peer reviewed; Journal article, 2022)