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Startfôr til juvenil edelkreps (Astacus astacus)

Authors: Siikavuopio, Sten Ivar; Strand, Roger; Mundheim, Harald;

Startfôr til juvenil edelkreps (Astacus astacus)

Abstract

Kasa Krepseoppdrett på Hvaler har valgt å satse på en halvintensiv modell for produksjon av edelkreps. Ved bruk av halvintensiv produksjonsmodell kreves det et egnet fôr til juvenile kreps. Det som har vært vanlig å bruke, er levendefôr ved bruk av Artemia i kombinasjon med vegetabilske næringsstoffer som modnet laug, grodd hvete og potet. En metode som er relativt arbeids- og kostnadskrevende i bruk. Vi ønsker derfor i dette forprosjektet å teste ut egnethet til tre kommersielt tilgjengelige tørrfôr (Biomar, Aller Møller og Nofima kråkebollefôr) og et nyutviklet startfôr til edelkreps utviklet av Nofima. Det nyutviklede Nofima krepsefôret og Artemia kom best ut med en overlevelse hos begge gruppene på ca. 75 %. Aller Mølle og Biomar sitt startfôr kom dårligst ut med en overlevelse på under 20 %. Det ble ikke funnet signifikante forskjeller i vekst mellom Artemia, Nofima kråkebollefôr og Nofima edelkrepsfôr. Biomar fôret kom signifikant dårligst ut. På grunn av ekstremt høy dødelighet hos Aller Mølle fôringsgruppen er den ikke tatt med ved vekstsammenlikning.

Startfôr til juvenil edelkreps (Astacus astacus)

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Norway
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green