Jesper Overgård Lehmann

  1. 2020
  2. Published
  3. Published

    Carcass weight of Greenlandic lambs in relation to grazing area biomass. / Lehmann, Jesper Overgård; Odgaard, Mette Vestergaard; Kristensen, Troels.

    In: Open Agriculture, Vol. 5, No. 1, 01.2020, p. 85-93.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. 2019
  5. Published

    Effect of early lactation milking frequency on peak milk yield and persistency of milk production. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    2019. Abstract from 70th Annual Meeting of the European Federation of Animal Science, Gent, Belgium.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  6. Published

    Systems for mother-bonded calf rearing during the milk feeding period in organic dairy farming. / Mogensen, Lisbeth; Vaarst, Mette; Jensen, Margit Bak; Lehmann, Jesper Overgård.

    2019. Abstract from 70th Annual Meeting of the European Federation of Animal Science, Gent, Belgium.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  7. Published

    Review: extended lactation in dairy cattle. / Sehested, J.; Gaillard, C.; Lehmann, J. O.; Maciel, G. M.; Vestergaard, M.; Weisbjerg, M. R.; Mogensen, L.; Larsen, L. B.; Poulsen, N. A.; Kristensen, T.

    In: Animal, Vol. 13, No. S1, 01.07.2019, p. s65-s74.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    Production, partial cash flows and greenhouse gas emissions of simulated dairy herds with extended lactations. / Kok, A.; Lehmann, J. O.; Kemp, B.; Hogeveen, H.; Van Middelaar, C. E.; De Boer, I. J.M.; Van Knegsel, A. T.M.

    In: Animal, Vol. 13, No. 5, 05.2019, p. 1074-1083.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. Published

    Emission of greenhouse gasses from agriculture in Greenland - is it a problem? / Mikkelsen, Mette Hjorth; Aastrup, Peter; Lehmann, Jesper Overgård.

    2019. Abstract from 10th Circumpolar Agriculture Conference, Rovaniemi, Finland.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  10. Published

    Greenlandic agriculture facing climate change: Challenges and prospects. / Lehmann, Jesper Overgård; Greve, Mogens Humlekrog; Kristensen, Troels; Mikkelsen, Mette Hjorth; Olesen, Jørgen Eivind; Aastrup, Peter.

    2019. Abstract from 10th Circumpolar Agriculture Conference, Rovaniemi, Finland.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  11. Published

    New opportunities in southern Greenland call for integrated planning for securing sustainability. / Aastrup, Peter; Mikkelsen, Mette Hjorth; Lehmann, Jesper Overgård; Olesen, Jørgen Eivind; Greve, Mogens Humlekrog.

    2019. Abstract from 10th Circumpolar Agriculture Conference, Rovaniemi, Finland.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  12. Published

    Er tidlig adskillelse af ko og kalv mest skånsomt? / Jensen, Margit Bak; Lehmann, Jesper Overgård; Mogensen, Lisbeth; Vaarst, Mette.

    2019.

    Research output: Other contributionNet publication - Internet publicationCommunication

  13. Published

    Extended lactations in dairy production : Economic, productivity and climatic impact at herd, farm and sector level. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: Livestock Science, Vol. 220, 02.2019, p. 100-110.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Økonomiske muligheder i forlænget laktation. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: Ny KvægForskning, 02.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperContribution to newspaper - Newspaper articleCommunication

  15. Published

    Combining extended lactation with sexed semen in a dairy cattle herd : Effect on genetic and total economic return. / Clasen, J. B.; Lehmann, J. O.; Thomasen, J. R.; Østergaard, S.; Kargo, M.

    In: Livestock Science, Vol. 223, 2019, p. 176-183.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    En fremtid med ko og kalv sammen? / Lehmann, Jesper Overgård; Jensen, Margit Bak; Mogensen, Lisbeth; Vaarst, Mette.

    In: Ny KvægForskning, No. April, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  17. Published

    Fremtidens helhedsorienterede og balancerede kvægproduktion. / Kristensen, Troels; Lehmann, Jesper Overgård; Mogensen, Lisbeth.

    Aarhus : DCA - Nationalt Center for Fødevarer og Jordbrug, 2019. 98 p. (DCA rapport; No. 146).

    Research output: Book/anthology/dissertation/reportReport

  18. Published

    Ko og kalv sammen - det er ligetil. / Lehmann, Jesper Overgård; Vaarst, Mette; Holm, Sara.

    Fagmediet Økologisk. 2019Kronik. (Økologisk Landbrug).

    Research output: Other contributionNet publication - Internet publicationCommunication

  19. Published

    Køer og kalve går sammen i Holland. / Vaarst, Mette; Jensen, Margit Bak; Mogensen, Lisbeth; Lehmann, Jesper Overgård; Christiansen, I A.

    In: Økologisk Landbrug, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  20. 2018
  21. Published

    Working paper: Analyse af data fra 50 RISE-vurderinger. / Lehmann, Jesper Overgård; Dalgaard, Tommy.

    Aarhus Universitet, 2018. 18 p.

    Research output: Book/anthology/dissertation/reportReport

  22. Published

    Practice of milking cows three times daily on Danish dairy farms. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    2018. 392 Abstract from EAAP, Dubrovnik, Croatia.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  23. Published

    Economic and climate effects of extended lactation strategies in high-yielding dairy cows. / Lehmann, Jesper Overgård; Kok, Akke; Mogensen, Lisbeth; Kristensen, Troels; van Knegsel, Ariette.

    2018. Abstract from Biology of lactation in farm animals (BOLFA), Dubrovnik, Croatia.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  24. Published

    Ingen markant sammenhæng mellem forlænget laktation og forekomst af sygdomsbehandlinger. / Thomsen, Peter T.; Lehmann, Jesper Overgård.

    In: Ny KvægForskning, 26.04.2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  25. Published
    Managing dairy cows for extended lactation - a viable management strategy for farmers? Lehmann, Jesper Overgård (Producer). 2018.

    Research output: Non-textual formSound/Visual production (digital)Communication

  26. Published

    Extended lactation in dairy cattle production: Results from the Danish Reprolac project. / Sehested, Jakob; Gaillard, C; Lehmann, Jesper Overgård; Maciel, G M; Weisbjerg, M.R.; Mogensen, Lisbeth; Poulsen, N A; Kristensen, Troels; Vestergaard, M.

    2018. Abstract from Biology of lactation in farm animals (BOLFA), Dubrovnik, Croatia.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  27. Published

    Køer og kalve er sammen i Holland. / Vaarst, Mette; Jensen, M.B.; Mogensen, Lisbeth; Lehmann, Jesper Overgård; I A, Christiansen.

    In: Økologisk Landbrug, Vol. November, No. 639, 2018, p. 14.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  28. 2017
  29. Published
  30. Published

    Impaired milk quality and cheese making properties is not a concern for managing cows for 15 or 18 months calving intervals. / de Moura Maciel, Guilherme; Mogensen, Lisbeth; Lehmann, Jesper Overgård; Kidmose, Ulla; Kristensen, Troels; Larsen, Lotte Bach; Poulsen, Nina Aagaard.

    In: International Dairy Journal, Vol. 70, 07.2017, p. 2-11.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  31. Published

    Er malkning 3x dagligt optimalt? / Kristensen, Troels; Lehmann, Jesper Overgård; Mogensen, Lisbeth.

    2017.

    Research output: Other contributionNet publication - Internet publicationCommunication

  32. Published

    Note: Eco-efficiency analyses of dairy production. / Lehmann, Jesper Overgård.

    2017.

    Research output: Working paperResearch

  33. Published
  34. Published

    A path devising farm-adaptions to ensure economic viability and less environmental impact. / Lehmann, Jesper Overgård; Kristensen, Troels.

    Book of Abstracts of the 68th Annual Meeting of the European Federation of Animal Science. Vol. 23 2017. ed. Wageningen Academic Publishers, 2017. p. 168-168.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  35. Published

    Cow, herd and farm level productivity, efficiency and greenhouse gas emission of different strategies for extended lactation. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    2017. Abstract from American Dairy Science Association Annual Meeting, Pittsburgh, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  36. Published

    Early lactation production, health, and welfare characteristics of cows selected for extended lactation. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: Journal of Dairy Science, Vol. 100, No. 2, 2017, p. 1487-1501.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  37. Published

    Sexed semen counteracts the increase in the genetic lag in dairy herds managed for extended lactation. / Clasen, J. B.; Lehmann, Jesper Overgård; Thomasen, J. R.; Østergaard, Søren; Kargo, Morten.

    Book of Abstracts of the 68th Annual Meeting of the European Federation of Animal Science. Vol. 23 2017. ed. Wageningen Academic Publishers, 2017. p. 255-255.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearchpeer-review

  38. 2016
  39. Published

    Forlænget laktation kræver fokus på huldstyring. / Lehmann, Jesper Overgård; Mogensen, Lisbeth.

    In: Ny KvægForskning, Vol. 14, No. 3, 01.06.2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  40. Published

    Extended lactation in Danish dairy production. / Lehmann, Jesper Overgård.

    Aarhus Universitet, Institut for Agroøkologi, 2016. 148 p.

    Research output: Book/anthology/dissertation/reportPh.D. thesis

  41. Published

    Effects of an individual weight-adjusted feeding strategy in early lactation on milk production of Holstein cows during extended lactation. / Gaillard, Charlotte; Friggens, N.C.; Taghipoor, M.; Weisbjerg, Martin Riis; Lehmann, Jesper Overgård; Sehested, Jakob.

    In: Journal of Dairy Science, Vol. 99, No. 3, 03.2016, p. 2221-2236.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  42. Published

    Forlænget laktation - En mulighed i dansk mælkeproduktion? / Lehmann, Jesper Overgård.

    2016. Poster session presented at FarmerTech, Herning, Denmark.

    Research output: Contribution to conferencePosterCommunication

  43. Published

    Effect of calving interval and parity on milk yield per feeding day in Danish commercial dairy herds. / Lehmann, Jesper Overgård; G. Fadel, J.; Mogensen, Lisbeth; Kristensen, Troels; Gaillard, Charlotte; Kebreab, E.

    In: Journal of Dairy Science, Vol. 99, 2016, p. 621-633.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  44. Published

    Extended lactation in dairy cows. / Sehested, Jakob; Gaillard, Charlotte; Kristensen, Troels; Lehmann, Jesper Overgård; Mogensen, Lisbeth; de Moura Maciel, Guilherme; Vestergaard, Mogens.

    In: European Association for Animal Production. Annual Meeting. Book of Abstracts, No. 22, 2016, p. 369.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  45. Published

    Forlænget laktation - en lovende strategi til bedre økonomi. / Kristensen, Troels; Lehmann, Jesper Overgård.

    In: Ny KvægForskning, Vol. 14, No. 1, 2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleCommunication

  46. Published

    Herd dynamics and economics of different strategies for managing a herd for extended lactation. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Østergaard, Søren; Ettema, Jehan Frans; Kristensen, Troels.

    In: European Association for Animal Production. Annual Meeting. Book of Abstracts, No. 22, 2016, p. 377.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  47. Published

    Longevity: a physiological and management perspective. / Sehested, Jakob; Gaillard, Charlotte; Kristensen, Troels; Lehmann, Jesper Overgård; Mogensen, Lisbeth; de Moura Maciel, Guilherme; Vestergaard, Mogens.

    2016. Abstract from 67th Annual Meeting of the European Federation of Animal Science, Belfast, United Kingdom.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  48. Published

    Milke from cows at extended lactation should not be a concern for cheese-making. / de Moura Maciel, Guilherme; Kidmose, Ulla; Gaillard, Charlotte; Lehmann, Jesper Overgård; Mogensen, Lisbeth; Sehested, Jakob; Poulsen, Nina Aagaard; Larsen, Lotte Bach.

    2016. Abstract from 30th EFFOST International Conference, Wien, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  49. Published
  50. Published

    Production, health and welfare characteristics of cows selected for extended lactation. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: European Association for Animal Production. Annual Meeting. Book of Abstracts, No. 22, 2016, p. 370.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  51. 2014
  52. Published
  53. Published
  54. Published

    Average milk yield per feeding day during extended lactations on four Danish dairy farms. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: European Association for Animal Production. Annual Meeting. Book of Abstracts, Vol. 20, 2014, p. 131-131.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  55. Published

    Extended lactation may improve cow health, productivity and reduce greenhouse gas : Emission from organic dairy cows. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    Building Organic Bridges: Proceedings of the 4th ISOFAR Scientific Conference at the Organic World Congress 2014. ed. / G. Rahmann; U. Aksoy. Vol. 4 Thuenen Report, 2014. p. 171-174.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  56. Published

    Extended lactations may improve cow health, productivity and reduce greenhouse gas emissions from organic dairy production. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: Organic Agriculture - Official journal of The International Society of Organic Agriculture Research, Vol. 4, No. 4, 2014, p. 295-299.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  57. Published

    Four methods for describing dairy cow milk yield during extended lactations on private farms. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    In: European Association for Animal Production. Annual Meeting. Book of Abstracts, Vol. 20, 2014, p. 135-135.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearchpeer-review

  58. 2013
  59. Published

    Reprolac - Milking the cow for longer. / Lehmann, Jesper Overgård; Mogensen, Lisbeth; Kristensen, Troels.

    2013.

    Research output: Contribution to conferencePosterResearch