Browsing Brage IMR by Author "Silva, Marta Sofia"
Now showing items 1-18 of 18
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Arsenic speciation and arsenic feed-to-fish transfer in Atlantic salmon fed marine low trophic feeds based blue mussel and kelp
Silva, Marta Sofia; Tibon, Jojo; Sartipiyarahmadi, Sahar; Remø, Sofie C.; Sele, Veronika; Søfteland, Liv Ingeborg Rosvoll; Sveier, Harald; Wiech, Martin; Philip, Antony Jesu Prabhu; Berntssen, Marc HG (Peer reviewed; Journal article, 2023)Background Aquaculture aims to reduce the environmental and climate footprints of feed production. Consequently, low trophic marine (LTM) resources such as blue mussels and kelp are potential candidates to be used as ... -
Arsenic speciation in low-trophic marine food chain – An arsenic exposure study on microalgae (Diacronema lutheri) and blue mussels (Mytilus edulis L.)
Tibon, Jojo; Gomez Delgado, Ana Isabel; Aguera, Antonio; Strohmeier, Tore; Silva, Marta Sofia; Lundebye, Anne-Katrine; Larsen, Martin M.; Sloth, Jens Jørgen; Amlund, Heidi; Sele, Veronika (Peer reviewed; Journal article, 2023)Microalgae and blue mussels are known to accumulate undesirable substances from the environment, including arsenic (As). Microalgae can biotransform inorganic As (iAs) to organoarsenic species, which can be transferred to ... -
Arsenic species in mesopelagic organisms and their fate during aquafeed processing
Tibon, Jojo; Amlund, Heidi; Gomez Delgado, Ana Isabel; Berntssen, Marc HG; Silva, Marta Sofia; Wiech, Martin; Sloth, Jens Jørgen; Sele, Veronika (Peer reviewed; Journal article, 2022)A responsible harvest of mesopelagic species as aquafeed ingredients has the potential to address the United Nations Sustainable Development Goal 14, which calls for sustainable use of marine resources. Prior to utilization, ... -
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 ... -
Biofortification of selenium in black soldier fly (Hermetia illucens) prepupae reared on seaweed or selenium enriched substrates
Ferrari, L.; Sele, Veronika; Silva, Marta Sofia; Bonilauri, P.; De Filippo, Filippo; Selmin, F.; Ørnsrud, Robin; Pinotti, L.; Ottoboni, M. (Peer reviewed; Journal article, 2022)Selenium (Se) is an essential trace element for livestock. The element can be supplemented to feed in inorganic or organic Se forms, where the chemical form in the diet affects the accumulation of Se in animal tissues. ... -
Dietary selenium required to achieve body homeostasis and attenuate pro-inflammatory responses in Atlantic salmon post-smolt exceeds the present EU legal limit
Prabhu, P. Antony Jesu; Holen, Elisabeth; Espe, Marit; Silva, Marta Sofia; Holme, May-Helen; Hamre, Kristin; Lock, Erik-Jan; Waagbø, Rune (Peer reviewed; Journal article, 2020)Selenium (Se) supplementation either as inorganic or organic form was evaluated in Atlantic salmon post-smolt in vivo and in vitro. The basal diet was formulated to be low in fish meal and contain 0.24 mg Se kg−1; six other ... -
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 ... -
Effect of levels and sources of dietary manganese on growth and mineral composition of post-smolt Atlantic salmon fed low fish meal, plant-based ingredient diets
Phillip, Antony Jesu Prabhu; Silva, Marta Sofia; Kröeckel, Saskia; Holme, May-Helen; Ørnsrud, Robin; Amlund, Heidi; Lock, Erik-Jan; Waagbø, Rune (Journal article; Peer reviewed, 2019)The impact of dietary manganese (Mn) levels and sources on the growth and mineral composition of post-smolt Atlantic salmon (Salmo salar) fed practical diets was studied. Seven experimental diets were prepared with graded ... -
Hypothalamic agrp and pomc mRNA Responses to Gastrointestinal Fullness and Fasting in Atlantic Salmon (Salmo salar, L.)
Kalananthan, Tharmini; Murashita, Koji; Rønnestad, Ivar; Ishigaki, Mitsumasa; Takahashi, Kota; Silva, Marta Sofia; Wakabayashi, Yuki; Lai, Floriana; Shimizu, Munetaka; Nilsen, Tom Ole; Martinez, Enrique Pino; Gomes, Ana S. (Peer reviewed; Journal article, 2020)The orexigenic agouti-related protein (AgRP) and the anorexigenic pro-opiomelanocortin (POMC) are crucial players in the control of feed intake in vertebrates, yet their role in teleosts has not been fully established. ... -
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 ... -
In vitro digestion method to evaluate solubility of dietary zinc, selenium and manganese in salmonid diets
Silva, Marta Sofia; Antony Jesu Prabhu, Antony Jesu Prabhu; Ørnsrud, Robin; Sele, Veronika; Kröckel, Saskia; Sloth, Jens Jørgen; Amlund, Heidi (Peer reviewed; Journal article, 2020)The determination of dietary mineral solubility is one of the main steps in the evaluation of their availability for a given species. -
Program for overvåking av fiskefôr - Årsrapport for prøver innsamlet i 2019
Ørnsrud, Robin; Silva, Marta Sofia; Berntssen, Marc HG; Lundebye, Anne-Katrine; Storesund, Julia Endresen; Lie, Kai Kristoffer; Waagbø, Rune; Sele, Veronika (Rapport fra havforskningen;2020 - 34, Research report, 2020)Overvåknings- og kartleggingsprogrammet for fiskefôr utføres på vegne av Mattilsynet som en del av Norges oppfølging av nasjonalt og europeisk regelverk på dyrefôr. Programmet gjennomføres for å få et situasjonsbilde av ... -
Program for overvåking av fiskefôr - Årsrapport for prøver innsamlet i 2022
Sele, Veronika; Silva, Marta Sofia; Prabhu, P. Antony Jesu; Hamre, Kristin; Skjærven, Kaja Helvik; Espe, Marit; Liland, Nina Sylvia; Lie, Kai Kristoffer; Berntssen, Marc HG; Lundebye, Anne-Katrine (Rapport fra havforskningen;2023 - 36, Research report, 2023)Overvåknings- og kartleggingsprogrammet for fiskefôr utføres på vegne av Mattilsynet. I 2022 fikk Havforskningsinstituttet tilsendt 80 fiskefôr, 13 fiskemel, 2 fiskeproteinkonsentrat, 15 vegetabilske mel, 3 insektmel, 10 ... -
Seasonal variations in mercury, cadmium, lead and arsenic species in Norwegian blue mussels (Mytilus edulis L.) – Assessing the influence of biological and environmental factors
Gomez Delgado, Ana Isabel; Tibon, Jojo; Silva, Marta Sofia; Lundebye, Anne-Katrine; Aguera, Antonio; Rasinger, Josef; Strohmeier, Tore; Sele, Veronika (Peer reviewed; Journal article, 2023)Blue mussels (Mytilus edulis L.) can accumulate undesirable substances, including the potentially toxic elements (PTEs) cadmium (Cd), mercury, (Hg), lead (Pb), arsenic (As) and As species. In this study, the levels of PTEs ... -
Speciation analysis of organoarsenic species in marine samples: method optimization using fractional factorial design and method validation
Tibon, Jojo; Silva, Marta Sofia; Sloth, Jens Jørgen; Amlund, Heidi; Sele, Veronika (Peer reviewed; Journal article, 2021)Organoarsenic species in marine matrices have been studied for many years but knowledge gaps still exist. Most literature focuses on monitoring of arsenic (As) species using previously published methods based on anion- and ... -
Speciation of zinc in fish feed by size exclusion chromatography coupled to inductively coupled plasma mass spectrometry – using fractional factorial design for method optimisation and mild extraction conditions
Silva, Marta Sofia; Sele, Veronika; Sloth, Jens Jørgen; Araujo, Pedro; Amlund, Heidi (Journal article; Peer reviewed, 2018)Zinc (Zn) is an element essential to all living organisms and it has an important role as a cofactor of several enzymes. In fish, Zn deficiency has been associated with impaired growth, cataracts, skeletal abnormalities ... -
Undesirables in Mesopelagic Species and Implications for Food and Feed Safety—Insights from Norwegian Fjords
Wiech, Martin; Silva, Marta Sofia; Meier, Sonnich; Tibon, Jojo; Berntssen, Marc HG; Duinker, Arne; Sanden, Monica (Peer reviewed; Journal article, 2020)