Institutt for husdyr og akvakulturvitenskap (IHA)
Recent Submissions
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Norwegian Journal of Agricultural Sciences : substitution of dip-treated straw for grass silage in dairy cows
(Research report; Journal issue, 1991)In 1987 and 1988 twenty-four Norwegian milking cows were used in a study of the influence on milk production when the animals were fed grass silage and dip-treated straw supplemented with urea or with soybean meal. In 1987 ... -
Norwegian Journal of Agricultural Sciences : effects of different environments and selection for persistency in laying hens
(Research report; Journal issue, 1990) -
Norwegian Journal of Agricultural Sciences : problems on selenium in animal nutrition
(Journal issue; Others, 1993) -
Norwegian Journal of Agriculture : progress in fur animal science
(Journal issue; Others, 1992) -
Norwegian Journal of Agricultural Sciences : evaluation of the energy value of feeds for ruminants
(Journal issue; Others, 1991) -
Norsk landbruksforskning : utvalgsstrategi i reinflokken
(Research report; Journal issue, 1988)For mødre yngre enn 5 år forklarer vekt og alder sammen 29 % av variasjonen i kalvenes høstvekt. Alene forklarer hver 22 %. Fra 5 til 12 år forklarer vekten alene 19 % mens alderen alene bare forklarer 0,4 %. Her gir alder ... -
Norsk landbruksforskning : virkningen av vasking på eggkvaliteten
(Research report; Journal issue, 1988)Denne meldinga omhandler 7 forsøk med i alt 6200 egg. Hensikten med forsøkene var å undersøke virkning av vasking slik den kan utføres hos produsent. Det ble i alle forsøkene brukt en Rotomaid vaskemaskin som ved hjelp av ... -
Hundens opprinnelse
(Dataset; Lecture; Learning object; Student paper, others, 1996) -
Norsk landbruksforskning : ekstra vitamintilskudd til handelsfôrblandinger for høns
(Research report; Journal issue, 1987)Effekten av ekstra tilsetning av fettløselige og/ eller vannløselige vitaminer til kommersielle fôrblandiner til høns ble undersøkt i to forsøk. Det ene omfattet bare verpeperioden, mens det andre omfattet både oppals- og ... -
Norwegian Journal of Agricultural Sciences : accuracy of near infrared reflectance spectroscopy in the determination of IVDMD in forage
(Research report; Journal issue, 1989)In modem forage breeding the use of Near lnfrared Reflectance Spectroscopy is becoming more and more common for estimating quality parameters like IVDMD and protein. In this paper a systematic study of the method is made ... -
Norwegian Journal of Agricultural Sciences : the influence of feed and water withdrawal time on post mortem biochemical changes and meat tendemess in broilers
(Research report; Journal issue, 1991)The effect of feed and water withdrawal time (6, 12, 18, 24 and 30 hours) on post mortem changes in breast muscles and quality of broiler meat was evaluated. Glycogen content and R value in breast muscles were not influenced ... -
Norsk landbruksforskning : effekt av antibiotika og enzymer til broiler
(Research report; Journal issue, 1987)Tilsetning av avoparcin (Avotan) eller virginiamycin (Stafac) i foret førte til ca. 4,7 % økt tilvekst og 5,8 % nedgang i fôrforbruk til 39 dagers alder i et forsøk med god tilvekst. Tilsvarende tall til 20 dagers alder ... -
Norwegian Journal of Agricultural Sciences : selection for litter size in mink
(Research report; Journal issue, 1988)The correlated responses in postweaning growth of males and females and the fur characteristics of male skins are presented from a six generation selection experiment for litter size in dark mink. No general trend in body ... -
Norwegian Journal of Agricultural Sciences : fillet gaping in farmed Atlantic salmon (Salmo Salar)
(Research report; Journal issue, 1994)An evaluation of fillet gaping was carried out at three factories processing farmed Atlantic salmon. In two of the factories 22-25 % of the fillets were found to have moderate to severe gaping and it appeared that prolonged ... -
Norwegian Journal of Agricultural Sciences : alkali-treated straw as feed for ruminants: digestibility of treated straw in sheep and voluntary intake and growth of heifers fed on treated straw
(Research report; Journal issue, 1991)The objective of this study was to investigate how the nutritive value of cereal straw as feed for ruminants could be improved. Barley straw was treated with anhydrous ammonia and NaOH solution (dip treatment). The ... -
Norsk landbruksforskning : er det forskjell i kjøttkvalitet mellom storferaser?
(Journal issue; Others, 1991) -
Norsk landbruksforskning : utvalgsstrategi i reinflokken
(Journal issue; Others, 1989)Viktige deler av denne analysen (arbeid Il, Ill og IV) bygger på tilleggsmerking og individidentifikasjon. Arbeid Ill, med gjennomføring i 1984, ble planlagt parallelt med opptakten til tilleggsmerkesystemet i 1969. For ... -
Hvirveldyrfoster (tversnit)
(Learning object, 2000) -
Huldyr
(Learning object, 2000) -
Furustamme med margborer
(Learning object, 2000)
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