Browsing Brage NMBU by Author "Toftaker, Ingrid"
Now showing items 1-10 of 10
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A Descriptive Study of Keel Bone Fractures in Hens and Roosters from Four Non-Commercial Laying Breeds Housed in Furnished Cages
Kittelsen, Käthe Elise; Moe, Randi Oppermann; Hansen, Tone Beate; Toftaker, Ingrid; Christensen, Jens Peter; Vasdal, Guro (Peer reviewed; Journal article, 2020)The keel bone in birds is an extension of the sternum. Fractures to the keel are common in modern laying hen breeds. Several of the proposed causal mechanisms behind keel bone fractures (KBF) are linked to selection for ... -
Epidemiologic studies of bovine respiratory syncytial virus and bovine coronavirus in Norway
Toftaker, Ingrid (PhD Thesis;2019:32, Doctoral thesis, 2019)Bovine respiratory syncytial virus (BRSV) and bovine coronavirus (BCV) cause respiratory infection in cattle worldwide. In addition, BCV also causes diarrhoea in calves and contagious diarrhoea in adult cows, i.e. winter ... -
Fasciola hepatica and Ostertagia ostertagi in Norwegian cattle : diagnostic tests and farmers’ management
Opsal, Tonje (PhD Thesis;2024:52, Doctoral thesis, 2024)Infections caused by pasture parasites (PP) impact animal health and welfare, and cause some of the most important production-limiting diseases in grazing cattle worldwide. This thesis will focus on the brown stomach worm ... -
Forekomst av kjølbeinsfrakturer hos verpehøner – En litteraturstudie
Jacobsen, Elise; Haagaas, Kristian; Larssen, Katrine (Student paper, others, 2021)I denne litteraturstudien har vi undersøkt forekomst av kjølbeinsfrakturer hos verpehøner. Vi har undersøkt ulike risikofaktorer som alder, produksjon, driftsform og genetikk. Vi har funnet at prevalensen av kjølbeinsfraktur ... -
Health and mortality in two broiler hybrids differing in growth rates
Forseth, Merete (PhD Thesis;2024:38, Doctoral thesis, 2024)Over the past 60 years genetic selection for a substantial increase in growth rate and breast meat yield in broilers has led to increased occurrence of various health and welfare problems; these include high mortality, ... -
Litter size and perinatal mortality in purebred dogs in Norway
Andersen, Linn Therese; Borge, Kaja Svedrup; Toftaker, Ingrid; Tønnessen, Ragnhild (Student paper, others, 2007) -
Milk Amyloid A i mjølk som diagnostisk markør for subklinisk mastitt hos norske mjølkekyr
Øien, Idunn; Delphin-Solli, Sofie; Rindalsholt, Guri Løfaldli (Student paper, others, 2021)I denne fordypningsoppgaven har formålet vært å undersøke egenskapene til akuttfaseproteinet Milk Amyloid A (MAA) som diagnostisk markør for subklinisk mastitt hos norske mjølkekyr. Det ble tatt utgangspunkt i et datasett ... -
Pathogen-specific patterns of milking traits in automatic milking systems
Olofsson, Charlott Kjærre; Toftaker, Ingrid; Rachah, Amira; Reksen, Olav; Kielland, Camilla (Peer reviewed; Journal article, 2024)Early detection of IMI can improve animal health and welfare in dairy herds. The implementation of sensors and automatic milking systems (AMS) in dairy production inherently increases the amount of available data and hence ... -
Prevalence of Keel Bone Damage in Red Jungle Fowls (Gallus gallus)—A Pilot Study
Kittelsen, Käthe Elise; Jensen, Per; Christensen, Jens Peter; Toftaker, Ingrid; Moe, Randi Oppermann; Vasdal, Guro (Peer reviewed; Journal article, 2020)The keel bone of laying hens is prone to deviations and fractures. Recent studies in the last decade report high prevalence of this welfare concern. The causative factors are not clear; however, selection for efficient egg ... -
Using Biosecurity Measures to Combat Respiratory Disease in Cattle: The Norwegian Control Program for Bovine Respiratory Syncytial Virus and Bovine Coronavirus
Stokstad, Maria; Klem, Thea B. Blystad; Myrmel, Mette; Oma, Veslemøy Sunniva; Toftaker, Ingrid; Østerås, Olav; Nødtvedt, Ane C. W. (Peer reviewed; Journal article, 2020)Bovine respiratory disease (BRD) cause important health problems in all cattle husbandry systems. It contributes substantially to the use of antimicrobial substances and compromises animal welfare and the sustainability ...