Blar i Doctoral theses (IHA) på forfatter "Øverland, Margareth"
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Antarctic krill (Euphausia superba) as a feed ingredient for salmonids with focus on the shell fraction and fluoride
Hansen, Jon Øvrum (PhD Thesis;2011:21, Doctoral thesis, 2011)Antarctic krill (Euphausia superba) may be the largest biomass of a single species worldwide and is a promising ingredient for use in fish feeds. Krill have a balanced amino acid profile, and krill lipids are rich in ... -
Hydrolysis of Atlantic salmon (Salmo salar) rest raw materials : influence of process conditions and evaluation of hydrolysate in diets for broiler chickens and piglets
Opheim, Margareth (PhD Thesis;2015:85, Doctoral thesis, 2018-04-25)Annually Norway produces 1.3 million tons of Atlantic salmon and the levels of production are still rising. After withdrawal of eviscerated fish and filet, 336 000 tons of rest raw material are available for further ... -
Improved nutritional value of fish feed with plant protein ingredients by means of organic acid salts and solid state fermentation
Gao, Youling (PhD Thesis;2011:23, Doctoral thesis, 2011)The objective of this work was to improve the nutritional value of plant protein sources to be used in fish feed by means of organic acid salts and solid state fermentation (SSF). Four studies were conducted to determine ... -
Interactive effects of dietary and environmental challenges on digestive function and intestinal homeostasis in rainbow trout (Oncorhynchus mykiss)
Tanha, Peyman Mosberian (PhD Thesis;2016:82, Doctoral thesis, 2016)Aquaculture is challenged by various dietary and environmental factors. A widely debated and studied dietary challenge is the inclusion of plant ingredients containing anti-nutritional factors (ANFs) in salmonids diet. ... -
Optimal use of plant protein concentrates in extruded feeds for carnivorous fish
Zhang, Yuexing (PhD Thesis;2011:53, Doctoral thesis, 2011)The main objective of the research presented in this thesis was to evaluate multiple amino acidsupplemented plant protein concentrates as the main protein source in diets for carnivorous fish. This objective was approached ... -
The influence og dietary fatty acid composition and sex on pork quality
Hallenstvedt, Elin (PhD Thesis;2011:04, Doctoral thesis, 2011)Norway is an important fish catching and producing country and has traditionally used fish and fish by-products in feed for monogastric animals, the pig is no exception. Fish and fish by products are excellent sources of ... -
Upgrading plant ingredients in feed for salmonids by thermo-mechanical treatment and acid salts
Morken, Thea (PhD Thesis;2011:52, Doctoral thesis, 2011)Inclusion of plant ingredients in diets for salmonids is restricted due to low energy contents, unbalanced amino acid (AA) composition and presence of antinutritional factors (ANF). The objective of this thesis was to ...