Blar i Brage NMBU på forfatter "Kristoffersen, Siril"
-
Effect of crop retention time and acidification of the feed on phytase efficacy in broiler chickens
Kristoffersen, Siril; Itani, Khaled; Benzertiha, Abdelbasset; Kierończyk, Bartosz; Kjos, Nils Petter; Svihus, Birger (Peer reviewed; Journal article, 2021) -
Effekt av malingsgrad av havreskall og bygg i kraftfôr på tyggetid, vommiljø og fordøyelighet av fôrrasjoner hos melkekyr
Kristoffersen, Siril (Master thesis, 2012-06-21)Masteroppgaven består av en litteraturdel og egne undersøkelser. Hovedmålet med oppgaven var å studere en eventuell effekt av ulik malingsgrad av havreskall i kraftfôr på tyggetid, vommiljø, fordøyelighet og produksjon hos ... -
Elevated phosphorus Retention after facilitating phytase efficacy via intermittent feeding and acidification
Bai, Yunru (Master thesis, 2019)The over-exploitation of phosphorus (P) reservoir is becoming one of the major concerns in poultry industry due to the limited stock of P. Secretion of endogenous phytase in monogastric animals is insufficient to break ... -
Improving the utilisation of phytate-bound phosphorus in feed for poultry and pigs through increased efficacy of exogenous phytase in the anterior digestive tract
Kristoffersen, Siril (PhD Thesis;2020:76, Doctoral thesis, 2020)The majority of phosphorus (P) in feedstuffs is present as phytate-P. Phytate is the storage form of P in seeds and grains and consists of an inositol ring with six phosphate groups bound to it. The phytate-P is only ... -
The effect of reduced feed pH, phytase addition and their interaction on mineral utilization in pigs
Kristoffersen, Siril; Gjefsen, Torger; Svihus, Birger; Kjos, Nils Petter (Peer reviewed; Journal article, 2021) -
The performance of Quantum blue phytase at different pH levels using wheat based diet in an in vitro simulation of poultry crop
Tao, Nala (Master thesis, 2018)An experiment was carried out to investigate the impact of different dietary pH levels as stimulate the efficacy of Quantum blue phytase in an in vitro simulation of poultry crop. The experiment consisted of two parts; an ...