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Scientific Publications related to Herd Navigator®

Analysis of milk in general

Brandt, M., Haeussermann, A. and Hartung, E. (2010):
Invited review: Technical solutions for analysis of milk constituents and abnormal milk. J. Dairy Sci., 93, 427–436.

Friggens, N.C., Codrea, M.C. and Højsgaard, S. (2011): Extracting biologically meaningful features from time-series measurements of individual animals: towards quantitative description of animal status. Modelling nutrient digestion and utilisation in farm animals. Wageningen Academic Publishers. pp 40-48.

Larsen, T. (2012): Enzymatic-fluorometric quantification of cholesterol in bovine milk. Food Chem., 135, 1261-1267.

Larsen, T. and Aulrich, K. (2011): Optimizing the fluorometric β-glucoronidase assay in ruminant milk for a more precise determination of mastitis. J. Dairy Res., 79, 7-15.

Larsen, T., Larsen, M.K., and Friggens, N.C. (2011): Enzymatic and fluorometric determination of triacylglycerols in cow milk and other opaque matrices. Food Chem., 125, 1110-1115.

Larsen, T. and Moyes, K.M. (2010): Fluorometric determination of uric acid in bovine milk. J. Dairy Res., 77, 438-444.

Løvendahl, P. & Bjerring, M. (2009): Rapport vedr. Carry-Over på HN installeret på KFC. Internal report. Contact Aarhus University for more information.

Løvendahl, P. and Bjerring, M. (2010): Report on a comparison between urea in milk determined by HerdNavigator and FIA-star. Internal report. Contact Aarhus University for more information.

Løvendahl, P., Bjerring, M. and Larsen, T. (2010): Determination of carry-over in automated milking, recording and sampling systems using fluorescent tracers. In Skujina,E., Galvanoska, E., Leray, O. and Mosconi, C. (Eds.) Farm animal breeding, identification, production recording and management. Proc. ICAR 37th Annual Meeting – Riga, Latvia. p. 147.

Løvendahl, P. and Chagunda, M.G.G. (2011): Covariance among milking frequency, milk yield, and milk composition from automatically milked cows. J. Dairy Sci., 94, 5381-5392.

Løvendahl P. and Friggens, N.C. (2008): Opportunities for online monitoring of health and performance in dairy cows. In Garnsworthy, P.C. and Wiseman, J. (Eds.) Recent advances in animal nutrition. Nottingham University Press. pp. 15-38.

Østergaard, S. (2010). Intern rapport vedr. analyse af laktationskurver i 39 besætninger. Contact Aarhus University for more information.

Mastitis

Bennedsgaard, T.W. and Blom, J.Y. (2011): Udder health and antibiotic use can be optimized by the combined use of Herd Navigator and on-farm culture. In National Mastitis Council 50th Annual Meeting Proceedings. Omnipress. pp.143-144.

Bislev, S.L., Kusebauch, U., Codrea, M.C., Beynon, R.J., Harman, V.M., Røntved, C.M., Aebersold,R., Moritz, R.L. and Bendixen, E. (2012): Quantotypic properties of QconCAT peptides targeting bovine host response to Streptococcus uberis. J. Proteome Res., 11, 1832-1843.

Buitenhuis, B., Røntved, C.M., Edwards, S.M., Ingvartsen, K.L. and Sørensen, P. (2012): In depth analysis of genes and pathways of the mammary gland involved in the pathogenesis of bovine Escherichia coli-mastitis. BMC Genomics, 12, 130.

Christensen, S.L., Deutsch, E.W., Kusebauch, U., Røntved, C.M., Purup, S.,  Aebersold, R.,  Ingvartsen, K.L. and Bendixen, E. (2010): Targeted proteomics for high throughput analyses of mastitis biomarkersIn Hillerton, J.E. (Ed.) Mastitis Research into Practice: Proceedings of the 5th IDF Mastitis Conference, 21-24 March, 2010, Christchurch, New Zealand. Vetlearn. pp. 723-724.

Danielsen M., Codrea M.C., Ingvartsen K.L., Friggens N.C., Bendixen E. and Røntved C.M (2010): Quantitative milk proteomics – host responses to lipopolysaccharide-mediated inflammation of bovine mammary gland. Proteomics, 10, 2240–2249.

Duse, A. T., Albrechtsen, M., Bennedsgaard, T. W. and Klaas, I. C. (2011): Therapeutic effects of lactation treatment of bovine subclinical Staphylococcus aureus mastitis with penicillin. In Udder Health and Communication, Proceedings of the international conference 25 - 27 October 2011. Wageningen Academic Publishers. p. 296.

Højsgaard, S. and Friggens, N.C. (2010): Quantifying degree of mastitis from common trends in a panel of indicators for mastitis in dairy cows. J. Dairy Sci., 93, 582-592.

Langerhuus, S. N., Ingvartsen, K.L. Bennedsgaard, T.W. and Røntved, C.M. (2013): Gram-typing of mastitis bacteria in milk samples using flow cytometry. J. Dairy Sci., 96, 267-277.

Larsen, T., Røntved, C.M., Ingvartsen, K.L., Vels, L. and Bjerring, M. (2010): Enzyme activity and acute phase proteins in milk utilized as indicators of acute clinical E. coli LPS-induced mastitis. Animal, 4, 1672-1679.

Norberg, E., Korsgaard, I. R., Sloth, K. H. M. N. and Løvendahl, P. (2008): Time-series models on somatic cell score improve detection of mastitis. Acta Agric. Scand. A Anim. Sci., 58, 165 - 169.

Røntved, C.M., Bjerring, M., Vels, L. and Ingvartsen, K. L. (2010): Escherichia coli lipopolysaccharide and Staphylococcus aureus peptidoglycan induced mastitis results in “cross tolerance” in the bovine udder. In Hillerton, J.E. (Ed.) Mastitis Research into Practice: Proceedings of the 5th IDF Mastitis Conference, 21-24 March, 2010, Christchurch, New Zealand. Vetlearn. p. 660.

Røntved, C. M., Larsen, T., Bjerring, M. and Ingvartsen, K.L. (2010): Lactate dehydrogenase milk profiles of cows with mastitis induced by lipopolysaccharide and infection with Escherichia. In Hillerton, J.E. (Ed.) Mastitis Research into Practice: Proceedings of the 5th IDF Mastitis Conference, 21-24 March, 2010, Christchurch, New Zealand. Vetlearn. pp. 660-661.

Vels, L., Røntved, C. M., Bjerring, M. and Ingvartsen, K. L. (2009): Cytokine and acute phase protein gene expression in repeated liver biopsies of dairy cows with a lipopolysaccharide-induced mastitis. J. Dairy Sci., 92, 922–934.

Østergaard, S., Bennedsgaard, T.W.,  Kudahl, A.B., and Jørgensen C (2012): Modeling the economic consequences of indicator based treatment strategies against subclinical and clinical mastitis. Abstract from presentation at ISVEE in Maastricht.

Metabolism

Bjerre-Harpøth, V., Friggens, N.C., Thorup V. M., Larsen, T., Damgaard B.M., Ingvartsen K.L. and Moyes, K.M. (2012): Metabolic and production profiles of dairy cows in response to decreased nutrient density to increase physiological imbalance at different stages of lactation. J. Dairy Sci., 95, 2362–2380.  

Friggens, N.C., Ridder, C. and Løvendahl, P. (2007): On the use of milk composition measures to predict the energy balance of dairy cows. J. Dairy Sci., 90, 5453–5467.

Løvendahl, P., Ridder, C. and Friggens, N.C. (2010): Limits to prediction of energy balance from milk composition measures at individual cow level. J. Dairy Sci. 93, 1998–2006.

Reproduction

Friggens, N.C., Bjerring, M., Ridder, C., Højsgaard, S. and Larsen, T. (2008): Improved detection of reproductive status in dairy cows using milk progesterone measurements. Reprod. Domest. Anim., 43, Supplement s2, 113-121.

Gorzecka, J., Codrea, M.C., Friggens, N.C. and Callesen, H. (2011): Progesterone profiles around the time of insemination do not show clear differences between of pregnant and not pregnant dairy cowsAnim. Reprod. Sci., 123, 14-22.

Løvendahl, P. and Chagunda, M. G. G. (2010): On the use of physical activity monitoring for estrus detection in dairy cows. J. Dairy Sci., 93, 249–259.

Løvendahl, P. and Chagunda, M.C. (2009): Short communication: Genetic variation in estrus activity traits. J. Dairy Sci., 92, 4683-4688.

Løvendahl, P.,  Chagunda, M., O’Connell, J. and Friggens, N. (2009): Genetics of fertility indicators based on behaviour and progesterone in milk. Cattle. Pract., 17, 7-12.

O’Conell, J., Tøgersen, F.A., Friggens, N.C., Løvendahl, P. Højsgaard, S. (2011): Combining cattle activity and progesterone measurements using hidden semi-Markov Models. J. Agric. Bio. Env. Statistics, 16, 1-16. Abstract and full text.

Østergaard, S. (2009): Økonomisk betydning af nøgletal for reproduktion i malkekvægsbesætninger. Internal report. 11 pp. Contact Aarhus University for more information.

Various subjects

Bislev, S.L., Deutsch, E.W., Sun, Z., Farrah, T., Aebersold, R., Moritz, R. L., Bendixen, E. and Codrea, M. (2012): A bovine peptide atlas of milk and mammary gland proteomes. Proteomics, 12, 2895–2899.

Løvendahl, P., Lassen, J. and Chagunda, M.C.G. (2011): Higher milk yield genetically correlate to more frequent milking, faster flow but less cell count in automatically milked cows Abstracts of the 62nd Annual Meeting of the European Federation of Animal Science, 17. Wageningen Academic Publishers. pp. 214-214.

Nielsen, L.R., Jørgensen, E. and Højsgaard, S. (2011): Embedding a state space model into a Markov decision process. Ann. Oper. Res., 190, 289-309. Abstract and full text.

Nielsen, L.R.,  Jørgensen, E., Kristensen, A. R. and Østergaard, S. (2009): Optimal replacement policies for dairy cows based on daily yield measurements. J. Dairy Sci., 93, 75-92.

O'Connell J. and Søren Højsgaard (2009): Parameter Estimation and Prediction for Hidden Markov and Semi-Markov models for Data with Multiple Observation Sequences. R package v. 0.2.3.

O'Connell, J. and Højsgaard, S. (2011): Hidden semi -Markov models for multiple observation sequences: The mhsmm package for R. J. Stat. Softw., 39, Issue 4.

Place, S. E. and Mitloehner, F. M. (2010): Invited review: Contemporary environmental issues: A review of the dairy industry's role in climate change and air quality and the potential of mitigation through improved production efficiency. J. Dairy Sci., 93, 3407–3416.

Østergaard, S. (2009): Report on simulation of HN with labor costs. Internal report. 26 pp. Contact Aarhus University for more information.

 

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