P. Løvendahl

发表

Estrus traits derived from activity measurements are heritable and closely related to the time from calving to first insemination.

M. Kargo, E. Strandberg, A. Ismael, 2015, Journal of dairy science.

Improving genetic evaluation using a multitrait single-step genomic model for ability to resume cycling after calving, measured by activity tags in Holstein cows.

M. Lund, G. Su, A. Ismael, 2017, Journal of dairy science.

Combining Cattle Activity and Progesterone Measurements Using Hidden Semi-Markov Models

Peter Løvendahl, Frede Aakmann Tøgersen, N. Friggens, 2011 .

Opportunities for online monitoring of health and performance in dairy cows.

Nicolas Charles Friggens, Peter Løvendahl, N. Friggens, 2009 .

Monitoring daily measurements of somatic cell count: automatic and on-line detection of mastitis.

H. Hogeveen, K. Sloth, P. Løvendahl, 2005 .

Assessment of fertility in dairy cows based on electronic monitoring of their physical activity.

P. Løvendahl, M. Chagunda, 2006 .

Electrical conductivity of milk: ability to predict mastitis status.

H Hogeveen, H. Hogeveen, K. Sloth, 2004, Journal of dairy science.

Is rumination time an indicator of methane production in dairy cows?

J. Lassen, P. Løvendahl, E. Norberg, 2018, Journal of dairy science.

Genetic parameters of rumination time and feed efficiency traits in primiparous Holstein cows under research and commercial conditions.

A. Fogh, P. Løvendahl, M. Byskov, 2017, Journal of dairy science.

Respiration rates correlate with mRNA expression of G6PD and GLUT1 genes in individual bovine in vitro-produced blastocysts.

C. Wrenzycki, H. Callesen, N. Ramsing, 2007, Theriogenology.

Short communication: Effects of Bos taurus autosome 9-located quantitative trait loci haplotypes on enzymatic mastitis indicators of milk from dairy cows experimentally inoculated with Escherichia coli.

T. Larsen, R. Engberg, P. Løvendahl, 2015, Journal of dairy science.

Selection on feed intake or feed efficiency: A position paper from gDMI breeding goal discussions

R. Veerkamp, M. Coffey, Zhiquan Wang, 2013 .

A time-resolved immunofluorometric assay for quantification of the bovine collectin conglutinin.

U. Holmskov, K. Ingvartsen, N. Nielsen, 2004, Journal of immunological methods.

Reliability of breeding values for feed intake and feed efficiency traits in dairy cattle: When dry matter intake recordings are sparse under different scenarios.

M. Lidauer, E. Mäntysaari, P. Mäntysaari, 2019, Journal of dairy science.

Monitoring individual cow udder health in automated milking systems using online somatic cell counts.

M. Bjerring, P. Løvendahl, L. P. Sørensen, 2016, Journal of dairy science.

Bayesian modeling reveals host genetics associated with rumen microbiota jointly influence methane emission in dairy cows

B. Guldbrandtsen, M. Lund, G. Sahana, 2020, The ISME Journal.

Effects of social and physical stressors on growth hormone levels in dairy cows

L. Munksgaard, P. Løvendahl, 1993 .

Genetic and phenotypic variation and consistency in cow preference and circadian use of robotic milking units.

A. Buitenhuis, P. Løvendahl, 2022, Journal of dairy science.

Test day milk yield and composition records are affected by deviations in milking intervals in overly simplified recording schemes

P. Løvendahl, J. Persson, U. Lauritsen, 2016 .

Influence of breed, parity, and stage of lactation on lactational performance and relationship between body fatness and live weight

J. Jensen, K. Ingvartsen, N. Friggens, 2003 .

Changes to steps, lying, and eating behavior during lactation in Jersey and Holstein cows and the relationship to feed intake, yield, and weight.

M. Weisbjerg, L. Munksgaard, P. Løvendahl, 2020, Journal of dairy science.

Genome-Wide Association Study for Susceptibility to and Recoverability From Mastitis in Danish Holstein Cows

D. de Koning, W. Fikse, P. Løvendahl, 2018, Front. Genet..

Limits to prediction of energy balance from milk composition measures at individual cow level.

N. Friggens, P. Løvendahl, C. Ridder, 2010, Journal of dairy science.

Technical note: time-resolved fluoro-immunometric assay for intact insulin in livestock species.

P. Løvendahl, H. M. Purup, 2002, Journal of animal science.

Changes in milk yield, lactate dehydrogenase, milking frequency, and interquarter yield ratio persist for up to 8 weeks after antibiotic treatment of mastitis.

P. Løvendahl, S. Østergaard, T. Bennedsgaard, 2015, Journal of dairy science.

Genetic variance of metabolomic features and their relationship with body weight and body weight gain in Holstein cattle.

J. Jensen, A. Ehsani, A. Aliakbari, 2019, Journal of animal science.

Genomic prediction of dry matter intake in dairy cattle from an international data set consisting of research herds in Europe, North America, and Australasia.

K. Weigel, M. Calus, R. Veerkamp, 2015, Journal of dairy science.

Climate change and primary industries : Impacts, adaptation and mitigation in the Nordic countries

C. Cederberg, J. Olesen, K. Drinkwater, 2014 .

International genetic evaluations for feed intake in dairy cattle through the collation of data from multiple sources.

K. Weigel, R. Veerkamp, M. Coffey, 2013, Journal of dairy science.

Genetic heterogeneity of feed intake, energy-corrected milk, and body weight across lactation in primiparous Holstein, Nordic Red, and Jersey cows.

M. Lidauer, J. Lassen, W. Fikse, 2018, Journal of dairy science.

Genetic parameters for dry matter intake in primiparous Holstein, Nordic Red, and Jersey cows in the first half of lactation.

M. Lidauer, J. Lassen, W. Fikse, 2016, Journal of dairy science.

Genetic variation of metabolite and hormone concentration in UK Holstein-Friesian calves and the genetic relationship with economically important traits.

J. Woolliams, M. Royal, A. Flint, 2009, Journal of dairy science.

On the use of milk composition measures to predict the energy balance of dairy cows.

N. Friggens, P Løvendahl, N C Friggens, 2007, Journal of dairy science.

Review: Selecting for improved feed efficiency and reduced methane emissions in dairy cattle.

M. Lidauer, P. Huhtanen, J. Lassen, 2018, Animal : an international journal of animal bioscience.

PHYSIOLOGICAL ATTRIBUTES OF MALE AND JUVENILE CATTLE DIFFERING IN GENETIC MERIT FOR MILK-YIELD - A REVIEW

J. Woolliams, P. Løvendahl, 1991 .

A time-resolved immunofluorometric assay for quantification of collectin-43.

U. Holmskov, K. Ingvartsen, P. Løvendahl, 2004, Journal of immunological methods.

Aggressive behaviour of sows at mixing and maternal behaviour are heritable and genetically correlated traits

Guosheng Su, Lotta Rydhmer, Peter Løvendahl, 2005 .

Host genetics and the rumen microbiome jointly associate with methane emissions in dairy cows

Henrik Bjørn Nielsen, Peter Løvendahl, Zhigang Zhu, 2018, PLoS genetics.

Polymorphism in the bovine growth hormone gene affects endocrine release in dairy calves.

P. Sørensen, M. Henryon, P. Løvendahl, 2002, Journal of dairy science.

Respiration rates of individual bovine in vitro-produced embryos measured with a novel, non-invasive and highly sensitive microsensor system.

H. Callesen, N. Ramsing, J. Peippo, 2005, Reproduction.

On the use of physical activity monitoring for estrus detection in dairy cows.

P Løvendahl, M G G Chagunda, P. Løvendahl, 2010, Journal of dairy science.

Selecting for Feed Efficient Cows Will Help to Reduce Methane Gas Emissions

J. Lassen, P. Løvendahl, G. Difford, 2022, Frontiers in Genetics.

Phenotypic modeling of residual feed intake using physical activity and methane production as energy sinks.

P. Lund, D. W. Olijhoek, P. Løvendahl, 2020, Journal of dairy science.

Simultaneous quantification of purine and pyrimidine bases, nucleosides and their degradation products in bovine blood plasma by high performance liquid chromatography tandem mass spectrometry.

N. Kristensen, J. Moorby, S. K. Jensen, 2014, Journal of chromatography. A.

Simultaneous quantification of purine and pyrimidine bases, nucleosides and their degradation products in cow plasma by HPLC tandem mass spectrometry

N. Kristensen, J. Moorby, S. K. Jensen, 2014 .

The effect of floor type or relocation on calves’ pulsatile growth hormone and cortisol secretion

J. Rushen, L. Hänninen, A. D. de Passillé, 2006 .

Utilization of farm animal genetic resources in a changing agro-ecological environment in the Nordic countries

J. Kantanen, T. Meuwissen, P. Berg, 2015, Front. Genet..

Genetic parameters for within-litter variation in piglet birth weight and change in within-litter variation during suckling.

L. Rydhmer, P. Løvendahl, L. H. Damgaard, 2003, Journal of animal science.

Genetic variation in stimulated GH release and in IGF-I of young dairy cattle and their associations with the leucine/valine polymorphism in the GH gene.

L. Zwierzchowski, P. Løvendahl, P. Sørensen, 2001, Journal of animal science.

Investigation of respiration of individual bovine embryos produced in vivo and in vitro and correlation with viability following transfer.

H. Callesen, N. Ramsing, P Løvendahl, 2007, Human reproduction.

Stability Assessment of the Rumen Bacterial and Archaeal Communities in Dairy Cows Within a Single Lactation and Its Association With Host Phenotype

J. Lassen, O. Højberg, P. Løvendahl, 2021, Frontiers in Microbiology.

Herd factors influencing free fatty acid concentrations in bulk tank milk.

T. Kristensen, M. Løkke, M. Bjerring, 2019, The Journal of dairy research.

J. Jensen, K. Ingvartsen, P. Berg, 2007 .

The effect of genetic selection for milk yield on the response to growth hormone secretagogues in immature cattle.

J. Woolliams, P. Løvendahl, K. Angus, 1991, The Journal of endocrinology.

Seasonality of fertility measured by physical activity traits in Holstein cows.

E. Strandberg, B. Berglund, A. Ismael, 2016, Journal of dairy science.

Post Hatching Development: a Novel System for Extended in Vitro Culture of Bovine Embryos

H. Callesen, P. Maddox-Hyttel, D. Stringfellow, 2004, Biology of Reproduction.

Metabolic regulation in Danish bull calves and the relationship to the fertility of their female offspring.

M. Royal, P. Løvendahl, M. K. Sørensen, 2007, Journal of dairy science.

Variation in plasma growth hormone during first parity in lactating cows.

K. Ingvartsen, P. Løvendahl, P. Theilgaard, 2007, Journal of animal science.

Physiological Predictors in Calves of Dairy Breeds: Part 1. Genetic Parameters of Basal and Induced Growth Hormone Secretion

J. Jensen, M. Vestergaard, K. Sejrsen, 1994 .

Growth hormone release in calves selected for milk fat yield

K. Sejrsen, P. Løvendahl, 1993 .

Response of growth hormone to various doses of growth hormone releasing factor and thyrotropin releasing hormone administered separately and in combination to dairy calves

J. Woolliams, P. Løvendahl, P. A. Sinnettsmith, 1991 .

In vitro manipulation techniques of porcine embryos: a meta-analysis related to transfers, pregnancies and piglets.

H. Callesen, K. Larsen, Juan Li, 2015, Reproduction, fertility, and development.

Estrus Traits Derived from Activity Measurements are Heritable and closely related to Conventional Estrus Traits

M. Kargo, E. Strandberg, A. Ismael, 2014 .

Possible Association of Growth Hormone Gene Polymorphism with Growth Hormone Release in Calves from Lines Selected for High and Low Milk Fat Yield

K. Sejrsen, P. Løvendahl, S. Høj, 1993 .

Effects of growth hormone and feeding level on endocrine measurements, hormone receptors, muscle growth and performance of prepubertal heifers.

D. Flint, J. Frystyk, M. Vestergaard, 2003, Journal of animal science.

Ultrastructure and mitochondrial numbers in pre- and postpubertal pig oocytes.

J. Nyengaard, P. Holm, H. Callesen, 2016, Reproduction, fertility, and development.

Genome-wide association mapping for dominance effects in female fertility using real and simulated data from Danish Holstein cattle

B. Guldbrandtsen, D. de Koning, A. Johansson, 2020, Scientific Reports.

Porcine oocyte mtDNA copy number is high or low depending on the donor

H. Callesen, K. Larsen, L. B. Madsen, 2015, Zygote.

Detection of carryover in automated milk sampling equipment.

M. Bjerring, P. Løvendahl, 2006, Journal of dairy science.

Methane production, rumen fermentation, and diet digestibility of Holstein and Jersey dairy cows being divergent in residual feed intake and fed at 2 forage-to-concentrate ratios.

M. Weisbjerg, J. Lassen, P. Lund, 2018, Journal of dairy science.

Bayesian modeling reveals host genetics associated with rumen microbiota jointly influence methane emission in dairy cows

B. Guldbrandtsen, M. Lund, G. Sahana, 2020, The ISME Journal.

Selection of pre- versus postpubertal pig oocytes for parthenogenetic activation and somatic cell nuclear transfer.

P. Holm, H. Callesen, P. Løvendahl, 2015, Reproduction, fertility, and development.

Heritability estimates for enteric methane emissions from Holstein cattle measured using noninvasive methods.

J. Lassen, P. Løvendahl, 2016, Journal of dairy science.

Accuracy of noninvasive breath methane measurements using Fourier transform infrared methods on individual cows.

J. Lassen, P. Løvendahl, J. Madsen, 2012, Journal of dairy science.

Data synchronization for gas emission measurements from dairy cattle: A matched filter approach

G. Sahana, P. Løvendahl, V. Milkevych, 2022, Comput. Electron. Agric..

Ranking cows’ methane emissions under commercial conditions with sniffers versus respiration chambers

J. Lassen, P. Lund, D. W. Olijhoek, 2018 .

Effect of dried oregano (Origanum vulgare L.) plant material in feed on methane production, rumen fermentation, nutrient digestibility, and milk fatty acid composition in dairy cows.

M. Weisbjerg, P. Lund, D. W. Olijhoek, 2019, Journal of dairy science.

Interchangeability between methane measurements in dairy cows assessed by comparing precision and agreement of two non-invasive infrared methods

J. Lassen, P. Løvendahl, G. F. Difford, 2016, Comput. Electron. Agric..

Enteric methane emission from Jersey cows during the spring transition from indoor feeding to grazing.

T. Kristensen, M. Pszczoła, J. Lassen, 2019, Journal of dairy science.

Methane emission in Jersey cows during spring transition from in-door feeding to grazing is repeatable and highly correlated

T. Kristensen, J. Lassen, P. Løvendahl, 2018 .

Can greenhouse gases in breath be used to genetically improve feed efficiency of dairy cows?

R. Veerkamp, H. Bovenhuis, J. Lassen, 2020, Journal of dairy science.

Rumen and Fecal Microbial Community Structure of Holstein and Jersey Dairy Cows as Affected by Breed, Diet, and Residual Feed Intake

P. Lund, D. W. Olijhoek, O. Højberg, 2019, Animals : an open access journal from MDPI.

26. Phenotypic differences and genetic parameters for methane concentration in BeefxDairy crossbred slaughter calves

M. Kargo, A. Buitenhuis, M. Bjerring, 2022, Proceeding of 12th World Congress on Genetics Applied to Livestock Production (WCGALP).

Factors affecting the developmental stage of embryos recovered on day 7 from superovulated dairy cattle.

H. Callesen, P. Løvendahl, T. Greve, 1995, Journal of animal science.

Gene co-expression networks from RNA sequencing of dairy cattle identifies genes and pathways affecting feed efficiency

S. M. Salleh, G. Mazzoni, P. Løvendahl, 2018, BMC Bioinformatics.

Bivariate threshold models for genetic evaluation of susceptibility to and ability to recover from mastitis in Danish Holstein cows.

D. de Koning, W. Fikse, P. Løvendahl, 2017, Journal of dairy science.

Covariance among milking frequency, milk yield, and milk composition from automatically milked cows.

P Løvendahl, M G G Chagunda, P. Løvendahl, 2011, Journal of dairy science.

Potential for improving description of bovine udder health status by combined analysis of milk parameters.

J. Jensen, P. Andersen, K. Ingvartsen, 2003, Journal of dairy science.

Changes in rumen bacterial and archaeal communities over the transition period in primiparous Holstein dairy cows.

S. Sørensen, M. Poulsen, J. Lassen, 2018, Journal of dairy science.

Genome-wide association study for methane emission traits in Danish Holstein cattle.

G. Sahana, J. Lassen, P. Løvendahl, 2021, Journal of dairy science.

Effects of an individual cow concentrate strategy on production and behavior.

T. Kristensen, M. Weisbjerg, L. Munksgaard, 2019, Journal of dairy science.

RNA-Seq transcriptomics and pathway analyses reveal potential regulatory genes and molecular mechanisms in high- and low-residual feed intake in Nordic dairy cattle

H. Kadarmideen, P. Lund, D. W. Olijhoek, 2017, BMC Genomics.

Genotype by environment interaction for activity-based estrus traits in relation to production level for Danish Holstein.

M. Kargo, E. Strandberg, B. Berglund, 2016, Journal of dairy science.

Predicting mastitis in dairy cows using neural networks and generalized additive models: A comparison

Søren Højsgaard, David Edwards, Smitha Ankinakatte, 2013 .

Community structure of the metabolically active rumen bacterial and archaeal communities of dairy cows over the transition period

S. Sørensen, W. Al-Soud, A. Brejnrod, 2017, PloS one.

An investigation into genetic and phenotypic variation in time budgets and yield of dairy cows.

L. Munksgaard, P. Løvendahl, 2016, Journal of dairy science.

Short communication: Genetic variation in choice consistency for cows accessing automatic milking units.

J. Lassen, M. Bjerring, P. Løvendahl, 2016, Journal of dairy science.

Genotype by Environment Interactions in Commercial Populations

I. Misztal, P. Løvendahl, 2012 .

Genetic (co-)variation of methane emissions, efficiency, and production traits in Danish Holstein cattle along and across lactations.

J. Lassen, P. Løvendahl, G. Difford, 2022, Journal of dairy science.

Neglect of lactation stage leads to naive assessment of residual feed intake in dairy cattle.

M. Lidauer, J. Lassen, W. Fikse, 2017, Journal of dairy science.

Multitrait genomic prediction of methane emissions in Danish Holstein cattle.

J. Lassen, P. Løvendahl, G. Difford, 2020, Journal of dairy science.

Bayesian estimation of genetic variance and response to selection on linear or ratio traits of feed efficiency in dairy cattle.

J. Jensen, M. Shirali, M. Islam, 2020, Journal of dairy science.

Predictive ability of host genetics and rumen microbiome for subclinical ketosis.

D. Plichta, B. Buitenhuis, N. Poulsen, 2020, Journal of dairy science.

Genotype by environment interaction for the interval from calving to first insemination with regard to calving month and geographic location in Holstein cows in Denmark and Sweden.

M. Kargo, E. Strandberg, B. Berglund, 2016, Journal of dairy science.

Short communication: Individual cow variation in urinary excretion of phosphorus.

J. Sehested, P. Løvendahl, 2016, Journal of dairy science.

Prediction and validation of residual feed intake and dry matter intake in Danish lactating dairy cows using mid-infrared spectroscopy of milk.

M. Lund, N. Shetty, A. Buitenhuis, 2017, Journal of dairy science.

Identification of Expression QTLs Targeting Candidate Genes for Residual Feed Intake in Dairy Cattle Using Systems Genomics

Salleh, H. Kadarmideen, M. O. Nielsen, 2018 .

Frequently recorded sensor data may correctly provide health status of cows if data are handled carefully and errors are filtered away

Peter Løvendahl, Lars Peter Sørensen, P. Løvendahl, 2016, BASE.

Using quantile regression for fitting lactation curve in dairy cows

S. Zerehdaran, M. Shariati, M. Jabbari Nooghabi, 2019, Journal of Dairy Research.

Hsp72 is present in plasma from Holstein-Friesian dairy cattle, and the concentration level is repeatable across days and age classes

V. Loeschcke, T. Kristensen, P. Berg, 2004, Cell stress & chaperones.

Short communication: Genetic variation in estrus activity traits.

P. Løvendahl, M. Chagunda, 2009, Journal of dairy science.

Genomic predictions for dry matter intake using the international reference population of gDMI

K. Weigel, M. Calus, R. Veerkamp, 2014 .

Meta-analysis of GWAS of bovine stature with >50,000 animals imputed to whole-genome sequence

P. Ma, R. Veerkamp, B. Guldbrandtsen, 2015 .

Genes and microbes, the next step in dairy cattle breeding

J. Lassen, P. Løvendahl, G. Difford, 2016 .

Genome-wide association mapping for dominance effects in female fertility using real and simulated data from Danish Holstein cattle

B. Guldbrandtsen, D. de Koning, A. Johansson, 2020, Scientific Reports.

Microbiability– new insights into (genetic) modelling methane emissions of cattle

B. Guldbrandtsen, G. Sahana, J. Lassen, 2018 .

Monitoring individual cow udder health in automated milking systems using online somatic cell counts.

M. Bjerring, P. Løvendahl, Lars Peter Sørensen, 2016, Journal of dairy science.

Bivariate threshold models for genetic evaluation of susceptibility to and ability to recover from mastitis in Danish Holstein cows.

D. D. Koning, W. Fikse, P. Løvendahl, 2017, Journal of dairy science.

Predicting methane emissions of lactating Danish Holstein cows using Fourier transform mid-infrared spectroscopy of milk.

J. Lassen, N. Shetty, A. Buitenhuis, 2017, Journal of dairy science.

International genetic evaluations for feed intake in dairy cattle through the collation of data from multiple sources.

R. Veerkamp, N. Krattenmacher, J. Pryce, 2014, Journal of dairy science.