Publications

Publications from the department

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Oliveira, VHSD , Sørensen, JT & Thomsen, PT 2017, 'Can digital dermatitis be scored during milking without washing cows' feet?', 19th International Symposium and 11th Conference on Lameness in Ruminants, München, Germany, 07/09/2017 - 09/09/2017.

Oliveira, VHSD , Sørensen, JT & Thomsen, PT 2018, 'Assessing farmer awareness of digital dermatitis prevalence in Danish dairy herds', Veterinary Record, vol. 182, no. 11, pp. 325. https://doi.org/10.1136/vr.104515

Oliveira, VHS , Anneberg, I , Voss, H , Sørensen, JT & Thomsen, PT 2018, 'Attitudes of Danish dairy farmers towards biosecurity', Livestock Science, vol. 214, pp. 153-160. https://doi.org/10.1016/j.livsci.2018.06.004

Oliveira, VHSD 2018, 'Biosecurity in Danish dairy herds with special focus on bovine digital dermatitis'.

Olijhoek, DW , Hellwing, ALF , Weisbjerg, MR, Dijkstra, J, Hojberg, O & Lund, P 2016, 'Effect of short-term infusion of hydrogen on enteric gas production and rumen environment in dairy cows', Animal Production Science, vol. 56, no. 2-3, pp. 466-471. https://doi.org/10.1071/AN15521

Olijhoek, D , Hellwing, ALF , Løvendahl, P , Lassen, J , Weisbjerg, MR & Lund, P 2016, 'No difference in methane production between low and high feed efficient Holstein and Jersey dairy cows at two forage:concentrate ratios', 6th Greenhouse Gas and Animal Agriculture Conference, Melbourne, Australia, 14/02/2016 - 18/02/2016.

Olijhoek, D , Hellwing, ALF , Weisbjerg, MR, Dijkstra, J, Højberg, O & Lund, P 2016, 'Effect of short-term infusion of hydrogen on enteric gas production and rumen environment in dairy cows', 6th Greenhouse Gas and Animal Agriculture Conference, Melbourne, Australia, 14/02/2016 - 18/02/2016 pp. 466-471.

Olijhoek, D , Hellwing, ALF , Brask, M , Weisbjerg, MR , Højberg, O , Larsen, MK, Dijkstra, J, Erlandsen, EJ & Lund, P 2016, 'Effect of dietary nitrate level on enteric methane production, hydrogen emission, rumen fermentation, and nutrient digestibility in dairy cows', Journal of Dairy Science, vol. 99, no. 8, pp. 6191-6205. https://doi.org/10.3168/jds.2015-10691

Olijhoek, DW , Løvendahl, P , Lassen, J , Hellwing, ALF , Höglund, JK , Weisbjerg, MR , Noel, SJ, McLean, F, Højberg, O & Lund, P 2018, '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', Journal of Dairy Science, vol. 101, no. 11, pp. 9926-9940. https://doi.org/10.3168/jds.2017-14278

Olijhoek, D , Løvendahl, P , Hellwing, ALF , Weisbjerg, MR & Lund, P 2019, 'Feed sorting of low and high concentrate diets by Holstein and Jersey dairy cows', British Society of Animal Science conference 2019, Edinburgh, United Kingdom, 09/04/2019 - 11/04/2019 pp. 199.

Olijhoek, D , Hellwing, ALF , Grevsen, K , Haveman, L , Chowdhury, MR , Løvendahl, P , Weisbjerg, MR , Noel, SJ , Hojberg, O , Wiking, L & Lund, P 2019, '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', Journal of Dairy Science, vol. 102, no. 11, pp. 9902–9918. https://doi.org/10.3168/jds.2019-16329

Olijhoek, DW, Difford, GF, Lund, P & Løvendahl, P 2020, 'Phenotypic modeling of residual feed intake using physical activity and methane production as energy sinks', Journal of Dairy Science, vol. 103, no. 8, pp. 6967-6981. https://doi.org/10.3168/jds.2019-17489

Olijhoek, D , Lamminen, M , Hellwing, ALF , Larsen, M , Weisbjerg, MR , Knudsen, KEB & Lund, P 2021, 'Fodring af friske eller ensilerede sukkerroer til malkekøer', No. 2019-760-001135, 23 p., Jul 12, 2021..

Olijhoek, D , Hellwing, ALF , Lund, P , Weisbjerg, MR , Løvendahl, P & Børsting, CF 2021, 'Enteric methane emission of Holstein and Jersey dairy cows at high dietary concentrate proportions', Meeting in iClimate, 28/06/2021 - 28/06/2021.

Olijhoek, D , Hellwing, ALF , Weisbjerg, MR, Dijkstra, J, Hojberg, O & Lund, P 2016, 'Effect of short-term infusion of hydrogen on enteric gas production and rumen environment in dairy cows', 6th Greenhouse Gas and Animal Agriculture Conference, Melbourne, Australia, 14/02/2016 - 18/02/2016.

Olijhoek, D , Thorsteinsson, MM , Curtasu, MV , Nielsen, MO & Nørskov, N 2022, Identification of Potential Methane Mitigating Compounds in Ensiled Brown Seaweed Saccharina latissima. in Proceedings of the 8th International Greenhouse Gas & Animal Agriculture Conference (GGAA). University of Florida, pp. 180, 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, United States, 05/06/2022. <https://conference.ifas.ufl.edu/ggaa/documents/GGAA-2022-Program-Abstracts-Online.pdf>

Olijhoek, D , Thorsteinsson, MM , Curtasu, MV , Nielsen, MO & Nørskov, N 2022, 'Identification of Potential Methane Mitigating Compounds in Ensiled Brown Seaweed Saccharina latissima', 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, United States, 05/06/2022 - 09/06/2022.

Olijhoek, D , Hellwing, ALF , Noel, SJ , Lund, P , Larsen, M , Weisbjerg, MR & Børsting, CF 2022, 'Feeding up to 91% concentrate to Holstein and Jersey dairy cows: Effects on enteric methane emission, rumen fermentation and bacterial community, digestibility, production, and feeding behavior', Journal of Dairy Science, vol. 105, no. 12, pp. 9523-9541. https://doi.org/10.3168/jds.2021-21676

Olijhoek, DW , Lamminen, M , Hellwing, ALF , Larsen, M , Weisbjerg, MR , Bach Knudsen, KE & Lund, P 2023, 'Effect of substituting maize silage with fresh or ensiled sugar beets on nutrient digestibility, rumen fermentation and microbial synthesis, and enteric methane emission in dairy cows', Animal Feed Science and Technology, vol. 303, 115715. https://doi.org/10.1016/j.anifeedsci.2023.115715

Olijhoek, D , Chassé, É, Battelli, M, Curtasu, MV , Thorsteinsson, MM , Kjeldsen, MH , Wang, W , Giagnoni, G , Maigaard, M , Børsting, CF , Weisbjerg, MR , Lund, P & Nielsen, MO 2023, 'Comparison of in vitro and in vivo methane production in dairy cows',
74th Annual Meeting of European Federation of Animal Science, Lyon, France, 26/08/2023 - 01/09/2023 pp. 1014.

Olijhoek, D & Børsting, CF 2024, Dietary fat supplementation as methane mitigation strategy in heifers and dry cows and effects on performance and health. Advisory report from DCA – National Center for Food and Agriculture, DCA - Nationalt Center for Fødevarer og Jordbrug.

Olijhoek, DW , Mogensen, L , Lund, P, Nielsen, NI, Weisbjerg, MR , Børsting, CF & Kristensen, T 2025, 'Perspectives on the effectiveness of applicable nutritional strategies to mitigate enteric methane over different intensive dairy production system characteristics', Livestock Science, vol. 294, 105666. https://doi.org/10.1016/j.livsci.2025.105666

Olijhoek, D 2019, 'Enteric methane production and residual feed intake of dairy cows: Nutritional and phenotypic perspectives'.

Olijhoek, D , Hansen, NP , Weisbjerg, MR , Maigaard, M , Lund, P & Larsen, M 2025, 'Methane emission of dairy cows grazing versus indoor feeding with silage', International Greenhouse Gas and Animal Agriculture Conference, Nairobi, Kenya, 05/10/2025 - 09/10/2025.

Olesen, JE, Andersen, JM, Jacobsen, BH, Hvelplund, T , Jørgensen, U, Schou, JS, Graversen, J, Dalgaard, T & Fenhann, J 2001, Kvantificering af tre tiltag til reduktion af landbrugets udledning af drivhusgasser. DJF rapport, markbrug, no. 48.

Olesen, JE, Weiske, A, Weisbjerg, MR , Asman, WAH & Schelde, K 2004, Evaluating greenhouse gas emissions from European conventional and organic dairy farms using a whole-farm model. in A Weiske (ed.), Proceedings of the international conference: Greenhouse gas emissions from agriculture mitigation options and strategies. pp. 151-157, Evaluating greenhouse gas emissions from European conventional and organic dairy farms using a whole-farm model, Institute for Energy and Environment, Leipzig, Germany, 18/12/2010.

Olesen, JE, Weiske, A, Weisbjerg, MR , Asman, WAH & Schelde, K 2004, FarmGHG - a whole-farm model for estimating greenhouse gas emissions from dairy farms. in A Weiske (ed.), Proceedings of the international conference: Greenhouse gas emissions from agriculture mitigation options and strategies. pp. 313-314, FarmGHG - a whole-farm model for estimating greenhouse gas emissions from dairy farms, Institute for Energy and Environment, Leipzig, Germany, 18/12/2010.

Olesen, M , Andersen, BB , Madsen, P, Madsen, NT & Andersen, HR 2004, Foderoptagelse og produktion hos forskellige biologiske typer af kødkvæg. DJF rapport, husdyrbrug, vol. 59.

Olesen, JE, Weiske, A, Weisbjerg, MR , Asman, WAH & Schelde, K 2004, FarmGHG - A whole-farm model to evaluate greenhouse gas emissions from European conventional and organic dairy farms. in Joint meeting of COST Action 627. pp. 47-47, FarmGHG - A whole-farm model to evaluate greenhouse gas emissions from European conventional and organic dairy farms, Ghent University. Agricultural Research Centre, 18/12/2010.

Olesen, JE, Weiske, A, Asman, WAH , Weisbjerg, MR , Djurhuus, J & Schelde, K 2004, FarmGHG. A model for estimating greenhouse gas emissions from livestock farms: Documentation. DJF Internal Report, no. 202.

Olesen, JE , Jørgensen, H , Danfær, AC, Gyldenkærne, S, Mikkelsen, MH, Asman, WAH & Petersen, SO 2005, Evaluering af mulige tiltag til reduktion af landbrugets metanemissioner. 11 edn, <Forlag uden navn>, Arbejdsrapport fra Miljøstyrelsen. <http://www.mst.dk/forside>

Olesen, JE , Schelde, K, Weiske, MR, Weisbjerg, MR , Asman, WAH & Djurhuus, J 2006, 'Modelling greenhouse gas emissions from European conventional and organic dairy farms', Agriculture, Ecosystems and Environment, vol. 112, pp. 207-220. https://doi.org/10.1016/j.agee.2005.08.022

Olesen, AK, Theil, PK & Kristensen, NB 2010, 'Metoder til måling af ketose hos søer', Erfaring, no. 1007, pp. 1-12.

Olesen, JE, Strandberg, MT, Simonsen, V, Boelt, B , Holm, PB , Lövei, GL , Holst, N , Petersen, J & Sørensen, MT 2009, 'Vedrørende IAASTD rapporterne', no. 610649, 3 p., Oct 26, 2009..

Olesen, JE, Jacobsen, BH, Thorup-Kristensen, K , Andersson, NE , Kudsk, P , Jørgensen, LN , Hansen, LM , Nielsen, BL & Boelt, B 2006, Tilpasning til klimaændringer i landbrug og havebrug. DJF Rapport Markbrug, no. 128, Aarhus University.

Olesen, AK, Christensen, TB & Theil, PK 2011, 'Ketose eller ej', Månedsmagasinet Svin, vol. 4, pp. 28-29.

Olesen, JE , Jørgensen, U , Hermansen, JE , Petersen, SO , Eriksen, J , Søegaard, K , Vinther, FP , Elsgaard, L , Lund, P , Nørgaard, JV & Møller, HB 2013, Effekter af tiltag til reduktion af landbrugets udledninger af drivhusgasser. DCA rapport, no. 027, vol. 27, DCA - Nationalt Center for Fødevarer og Jordbrug.

Olesen, NJ, Skall, HF, Jensen, BB, Henriksen, NH, Mellergaard, S & Korsholm, H 2013, 'Eradication of viral haemorrhagic septicaemia in Danish aquaculture', DAFINET workshop, København, Denmark, 12/11/2013 - 14/11/2013. <http://dafinet.dk/Abstract_books_files/DAFINET%20November%202013%20Abstract%20book.pdf>

Olesen, NJ, Skall, HF, Jensen, BB, Henriksen, NH, Mellergård, S & Korsholm, H 2013, 'Eradication of viral haemorrhagic septicaemia in Danish aquaculture (O-129)', 16th International Conference on Diseases of Fish and Shellfish, Tampere, Finland, 02/09/2013 - 06/09/2013.

Olesen, NJ, Ariel, E & Skall, HF 2001, 'Viral haemorrhagic septicaemia virus in a global perspective'.

Olesen, NJ & Skall, HF 2013, Viral Haemorrhagic Septicaemia Virus. in M Munir (ed.), Mononegaviruses of Veterinary Importance : Vol. I: Pathobiology and Molecular Diagnosis. 1 edn, vol. 1, CABI Publishing, Wallingford, UK, pp. 323-336. https://doi.org/10.1079/9781780641799.0000

Olesen, LP, Weisbjerg, MR & Aaes, O 2014, 'Malkekøer har præferencer for forskellige kraftfodermidler', Kvaeg. <https://www.landbrugsinfo.dk/Kvaeg/Foder/Tilskudsfoder/Sider/2393-Malkekoeer-har-praeferencer-for-forskellige-kraftfodermidler.aspx>

Olesen, NJ, Skall, HF, Kurita, J, Mori, K & Ito, T 2015, 'Viral haemorrhagic septicaemia virus (VHSV): on the search for determinants important for virulence in Rainbow trout oncorhynchus mykiss', 17th International Conference on Diseases of Fish and Shellfish, Las Palmas de Gran Canaria, Spain, 07/09/2015 - 11/09/2015.

Olesen, NJ & Skall, HF 2015, 'VHS virus - present situation', DAFINET and ProFish Workshop, København, Denmark, 17/11/2015 - 18/11/2015. <http://profishvac.au.dk/fileadmin/profishvac/DAFINET_November_2015_Abstract_Book.pdf>

Olesen, JE , Lund, P , Kristensen, T & Petersen, SO 2014, 'Konsekvenser for dansk landbrug ved et obligatorisk reduktionsmål for metan på 24 procent i 2030', no. 1219397, 11 p., Apr 25, 2014..

Olesen, JE , Petersen, SO , Lund, P & Kristensen, T 2014, 'Kommentarer til rapporten ”Vidensyntese om drivhusgasser og emissionsbaseret regulering i landbruget”', no. 1199094, 6 p., Mar 13, 2014..