Jan Ladewig

Jan Ladewig

Associate Professor emeritus


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  1. Published

    The ability of horses to learn an instrumental task through social observation

    Ahrendt, L. P., Christensen, J. W. & Ladewig, Jan, 2012, In: Applied Animal Behaviour Science. 139, 1-2, p. 105-113 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Do horses generalise between objects during habituation?

    Christensen, J. W., Zharkikh, T. & Ladewig, Jan, 2008, In: Applied Animal Behaviour Science. 114, 3-4, p. 509-520 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Anstændig omgang med fagligheden

    Christiansen, Stine B., Andersen, P. H. F., Forkman, Björn, Hansen, Axel Kornerup, Ladewig, Jan, Lehn-Jensen, H., Mølbak, I., Svendsen, O., Sørensen, A. & Sandøe, Peter, 2007, In: DANSK VETERINÆRTIDSSKRIFT. 90, 1, p. 35-36 2 p.

    Research output: Contribution to journal › Journal article › Communication

  4. Published

    The ¤effects of confinement on periparturient behaviour and circulating prolactin, prostaglandin F/2alpha and oxytocin in gilts with access to a variety of nest materials

    Damm, B. I., Bildsøe, M., Gilbert, C., Ladewig, Jan & Vestergaard, K. S., 2002, In: Applied Animal Behaviour Science. 76, p. 135-156 22 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    An alternative perspective on the compilation of scientific literature comparing housing systems for gestating sows using metaanalysis on measures of physiology, behavior, performance and health: letter to the editor

    Damm, B. I., Forkman, Björn, Giersing, M., Ladewig, Jan & Houe, Hans, 2005, In: Professional Animal Scientist. 21, p. 139-143 5 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  6. Published

    The effect of frequency and duration of training sessions on acquisition and long-term memory in dogs

    Demant, H., Ladewig, Jan, Balsby, T. J. S. & Dabelsteen, Torben, 2011, In: Applied Animal Behaviour Science. 133, 3-4, p. 228-234 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Grundlaget er videnskabeligt

    Forkman, Björn, Ladewig, Jan & Giersing, M., 2008, In: Morgenavisen Jyllands-Posten.

    Research output: Contribution to journal › Contribution to newspaper - Newspaper article › Communication

  8. Published

    Animal welfare aspects of preventing boar taint

    Giersing, M., Ladewig, Jan & Forkman, Björn, 2006. 3 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  9. Published

    A note on resting behaviour in horses kept on pasture: rolling prior to getting up

    Hansen, M. N., Estvan, J. & Ladewig, Jan, 2007, In: Applied Animal Behaviour Science. 105, 1-3, p. 265-269 5 p.

    Research output: Contribution to journal › Journal article › Research

  10. Published

    A Nordic survey of management practices and owners' attitudes towards keeping horses in groups

    Hartmann, E., Bøe, K. E., Christensen, J. W., Hyyppä, S., Jansson, H., Jørgensen, G. H. M., Ladewig, Jan, Mejdell, C. M., Norling, Y., Rundgren, M., Särkijärvi, S., Søndergaard, E. & Keeling, L. J., 2015, In: Journal of Animal Science. 93, 9, p. 4564-4574 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Trailer-loading of horses: is there a difference between positive and negative reinforcement concerning effectiveness and stress-related signs?

    Hendriksen, P., Elmgreen, K. & Ladewig, Jan, 2011, In: Journal of Veterinary Behavior. 6, 5, p. 261-266 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Measuring cutaneous thermal nociception in group-housed pigs using laser technique - effects of laser power output

    Herskin, M. S., Ladewig, Jan & Arendt-Nielsen, L., 2009, In: Applied Animal Behaviour Science. 118, 3-4, p. 144-151 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    The effect of housing rats in a stimulus rich versus stimulus poor environment on preference measured by sigmoid double demand curves

    Holm, L. & Ladewig, Jan, 2007, In: Applied Animal Behaviour Science. 107, 3-4, p. 342-354 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Measuring animal preferences: shape of double demand curves and the effect of procedure used for varying workloads on their cross-point

    Holm, L., Ritz, C. & Ladewig, Jan, 2007, In: Applied Animal Behaviour Science. 107, 1-2, p. 133–146 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Measuring animals' preferences by double demand curves: the importance of a food feedback in rooting materials for pigs

    Holm, L., Jensen, M. B., Pedersen, L. J. & Ladewig, Jan, 2006, Proceedings. Korhonen, H. T., Raussi, S., Hänninen, L. & Heikkilä, M. (eds.). ISAE, p. 12 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  16. Published

    Does environmental enrichment affect the work performed and number of rewards obtained by rats working concurrently for two diffrent types of water?

    Holm, L. & Ladewig, Jan, 2005, Proccedings of the 39. international congress of the ISAE. Kusunose, R. & Sato, S. (eds.). International Society for Applied Ethology, p. 101 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  17. Published

    The importance of a food feedback in rooting materials for pigs

    Holm, L., Jensen, M. B., Pedersen, L. J. & Ladewig, Jan, 2006, Proceedings of the 40. International Congress of the ISAE. Mendl, M. (ed.). ISAE, p. 79 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  18. Published

    The importance of a food feedback in rooting materials for pigs measured by double demand curves with and without a common scaling factor

    Holm, L., Jensen, M. B., Pedersen, L. J. & Ladewig, Jan, 2008, In: Applied Animal Behaviour Science. 111, 1-2, p. 68-84 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Effect of procedure used for varying workloads on the shape and cross-point of double demand curves

    Holm, L. & Ladewig, Jan, 2005, Programme and abstracts: internal report no. 214. Krohn, C. C. & Ladewig, J. (eds.). Department of Animal Health, Welfare and Nutrition, p. 27-28 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  20. Published

    Effects of interrupted social contact on the social behaviour of calves and piglets

    Jensen, M. B., Pedersen, L. J., Hansen, S., Munksgaard, L., Ladewig, Jan & Matthews, L. R., 2001, In: Behavioural Processes. 56, p. 23-29 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Injury incidence, reactivity and ease of handling of horses kept in groups: a matched case control study in four Nordic countries

    Keeling, L. J., Bøe, K. E., Christensen, J. W., Hyyppä, S., Jansson, H., Jørgensen, G. H. M., Ladewig, Jan, Mejdell, C. M., Särkijärvi, S., Søndergaard, E. & Hartmann, E., Dec 2016, In: Applied Animal Behaviour Science. 185, p. 59-65 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Light quality preferences of broiler chickens

    Kristensen, H. H., Prescott, N. B., Ladewig, Jan, Perry, G., Fraas Johnsen, P. & Wathes, C. M., 2002. 1 p.

    Research output: Contribution to conference › Paper › Research

  23. Published

    Light quality and the behaviour of broiler chickens

    Kristensen, H. H., Prescott, N. B., Perry, G. C., Ladewig, Jan & Wathes, C. M., 2003. 1 p.

    Research output: Contribution to conference › Paper › Research

  24. Published

    Light quality and the producion of broiler chickens

    Kristensen, H. H., Perry, G., Prescott, N. B., Ladewig, Jan & Wathes, C. M., 2003. 1 p.

    Research output: Contribution to conference › Paper › Research

  25. Published

    Light quality and lemaness of broiler chickens

    Kristensen, H. H., Perry, G. C., Prescott, N. B., Ladewig, Jan & Wathes, C. M., 2003. 1 p.

    Research output: Contribution to conference › Paper › Research

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