Search Results - "Østerås, O."

Economic effects of bovine mastitis and mastitis management: A review by Halasa, T, Huijps, K, Osteras, O, Hogeveen, H

“…Several studies have been published since 1990 on the economics of mastitis and mastitis management. However, hardly any of these studies has discussed the…”
Get full text

Calf mortality in Norwegian dairy herds by Gulliksen, S M, Lie, K I, Løken, T, Osterås, O

“…The aims of this study were to estimate mortality rates in Norwegian dairy calves and young stock up to 1 yr of age, identify risk factors for calf mortality,…”
Get more information

Dairy farmer attitudes and empathy toward animals are associated with animal welfare indicators by Kielland, C, Skjerve, E, Osterås, O, Zanella, A J

“…Attitudes and empathy of farmers influence human-animal interaction, thereby affecting their behavior toward animals. The goal was to investigate how measures…”
Get more information

Meta-analysis of dry cow management for dairy cattle. Part 2. Cure of existing intramammary infections by Halasa, T, Nielen, M, Whist, A C, Osterås, O

“…The main goal of dry cow therapy (DCT) is to cure existing intramammary infections (IMI) at dry off. Although several published studies have estimated the cure…”
Get more information

Meta-analysis of dry cow management for dairy cattle. Part 1. Protection against new intramammary infections by Halasa, T, Osterås, O, Hogeveen, H, van Werven, T, Nielen, M

“…The objective of this study was to estimate the preventive effect of various dry cow management measures against quarter new intramammary infections (IMI)…”
Get more information

Enteropathogens and risk factors for diarrhea in Norwegian dairy calves by Gulliksen, S M, Jor, E, Lie, K I, Hamnes, I S, Løken, T, Akerstedt, J, Osterås, O

“…The aims of the current study were to estimate the prevalence of enteropathogens in calves in Norwegian dairy herds, evaluate the clinical consequences of…”
Get more information

Milk culture results in a large Norwegian survey--effects of season, parity, days in milk, resistance, and clustering by Osterås, O, Sølverød, L, Reksen, O

“…A nationwide random computerized assignment survey that included 3,538 sets of 4 quarter milk samples from 2,834 dairy cows was conducted during 2000. Every…”
Get more information

Distribution of somatic cell count and udder pathogens in Norwegian dairy goats by Smistad, M, Sølverød, L, Inglingstad, R A, Østerås, O

“…Compared with dairy cows, goat somatic cell count (SCC) is higher and probably more affected by physiological factors such as parity, stage of lactation, and…”
Get more information

Results and evaluation of thirty years of health recordings in the Norwegian dairy cattle population by Østerås, O, Solbu, H, Refsdal, A O, Roalkvam, T, Filseth, O, Minsaas, A

“…The results are based on the Norwegian Cattle Health Recording System, which has been in place for the entire country since 1975. The dairy breeds in Norway…”
Get more information

Bovine claw and limb disorders related to reproductive performance and production diseases by Sogstad, A M, Østerås, O, Fjeldaas, T

“…As part of a cross-sectional study of Norwegian Red Cattle, associations of lameness, lesions at the tarsus, claw shapes, and claw lesions with reproductive…”
Get more information

Prevalence and risk factors for skin lesions on legs of dairy cattle housed in freestalls in Norway by Kielland, C, Ruud, L E, Zanella, A J, Østerås, O

“…Appropriate indoor housing facilities for dairy cattle promote improved animal welfare. Skin alterations are an indicator of dysfunctional housing. The purpose…”
Get more information

Risk factors associated with colostrum quality in Norwegian dairy cows by Gulliksen, S M, Lie, K I, Sølverød, L, Østerås, O

“…The objectives of the present study were to evaluate colostrum quality in Norwegian dairy cows based on IgG content, and to identify associations between…”
Get more information

Locomotion and claw disorders in Norwegian dairy cows housed in freestalls with slatted concrete, solid concrete, or solid rubber flooring in the alleys by Fjeldaas, T, Sogstad, A M, Osterås, O

“…This study was part of a cross-sectional project on freestall housing, and the aim was to compare locomotion and claw disorders in freestall dairy cattle herds…”
Get more information

Respiratory infections in Norwegian dairy calves by Gulliksen, S M, Jor, E, Lie, K I, Løken, T, Akerstedt, J, Østerås, O

“…The aims of this study were to estimate the seroprevalence of respiratory agents in Norwegian dairy calves and to identify risk factors for respiratory…”
Get more information

A cross-sectional study of associations between herd-level calf mortality rates, compliance with legislation on calf welfare, and milk feeding management in Norwegian dairy herds by Johnsen, J F, Holm Y, I H, Mejdell, C M, Ellingsen-Dalskau, K, Østerås, O, D Sen, A, Skjerve, E, N Dtvedt, A

“…Our aim was to investigate the associations between management factors, compliance with current legislation, and herd-level calf mortality. In a national calf…”
Get more information

Associations of soft flooring materials in free stalls with milk yield, clinical mastitis, teat lesions, and removal of dairy cows by Ruud, L E, Bøe, K E, Osterås, O

“…The objective was to test if there was an association between free-stall base softness and milk yield, incidence of clinical mastitis (CM), teat lesions, and…”
Get more information

Relationships between milk culture results and composite milk somatic cell counts in Norwegian dairy cattle by Reksen, O, Sølverød, L, Østerås, O

“…Associations between test-day composite milk somatic cell counts (CMSCC) and results from quarter milk cultures for various pathogens associated with mastitis,…”
Get more information

Calf health monitoring in Norwegian dairy herds by Gulliksen, S M, Lie, K I, Østerås, O

“…The aims of this study were to estimate the incidence of calf diseases in Norwegian dairy herds, improve calf health recordings in the Norwegian Cattle Health…”
Get more information

Risk factors for dirty dairy cows in Norwegian freestall systems by Ruud, L E, Bøe, K E, Osterås, O

“…Cow cleanliness is important for ensuring hygienic milk production and the well-being of dairy cows. The aim of this cross-sectional field study was to…”
Get more information

Data quality in the Norwegian dairy herd recording system: agreement between the national database and disease recording on farm by Espetvedt, M N, Reksen, O, Rintakoski, S, Østerås, O

“…The majority of herds in Norway participate in the national dairy herd recording system. For disease events, this involves transferring information registered…”
Get more information