Jan Ladewig
Associate Professor emeritus
Animal Welfare and Disease Control
Grønnegårdsvej 8
1870 Frederiksberg C
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Effects of individual versus group stabling on social behaviour in domestic stallions
Winther Christensen, J., Ladewig, Jan, Søndergaard, E. & Malmkvist, J., 2002, In: Applied Animal Behaviour Science. 75, 3, p. 233-248 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Social behaviour in stallion groups (Equus przewalskii and Equus caballus) kept under natural and domestic conditions
Winther Christensen, J., Zharkikh, T., Ladewig, Jan & Yasinetskaya, J., 2002, In: Applied Animal Behaviour Science. 76, 1, p. 11-20 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Using the cross point of demand functions to assess animal priorities
Sørensen, Dorte Bratbo, Ladewig, Jan, Ersbøll, A. K. & Matthews, L., Oct 2004, In: Animal Behaviour. 68, 4, p. 949-955 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Measuring motivation: using the cross point of two demand functions as an assessment of the substitutability of two reinforcers
Sørensen, Dorte Bratbo, Ladewig, Jan, Matthews, L., Ersbøll, A. K. & Lawson, G. L., 2001, In: Applied Animal Behaviour Science. 74, p. 281-291 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of genetic homogeneity on behavioural variability in an object recognition test in cloned Göttingen minipigs
Søndergaard, L. V., Herskin, M. S., Ladewig, Jan, Holm, I. E. & Dagnæs-Hansen, F., 2012, In: Applied Animal Behaviour Science. 141, 1-2, p. 20-24 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Object recognition as a measure of memory in 1–2 years old transgenic minipigs carrying the APPsw mutation for Alzheimer’s disease
Søndergaard, L. V., Ladewig, Jan, Dagnæs-Hansen, F., Herskin, M. S. & Holm, I. E., 2012, In: Transgenic Research. 21, 6, p. 1341-1348 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The influence of strain on demand functions for water in rats (Rattus Norvegicus)
Sørensen, Dorte Bratbo, Ladewig, Jan & Lawson, L. G., 1 Dec 2001, In: Scandinavian Journal of Laboratory Animal Science. 28, 1, p. 1-9 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Social learning in horses-fact or fiction?
Rørvang, M. V., Christensen, J. W., Ladewig, Jan & McLean, A., 2018, In: Frontiers in Veterinary Science. 5, 8 p., 212.Research output: Contribution to journal › Review › Research › peer-review
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A note on the heritability of reactivity assessed at field tests for Danish Warmblood horses
Rothmann, J., Christensen, O. F., Søndergaard, E. & Ladewig, Jan, 2014, In: Journal of Equine Veterinary Science. 34, 2, p. 341-343 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Behavior observation during conformation evaluation at a field test for Danish Warmblood horses and associations with rideability and performance traits
Rothmann, J., Christensen, O. F., Søndergaard, E. & Ladewig, Jan, 2014, In: Journal of Equine Veterinary Science. 34, 2, p. 288-293 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Lying behavior in horses in relation to box size
Raabymagle, P. & Ladewig, Jan, 2006, In: Journal of Equine Veterinary Science. 26, 1, p. 11-17 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The relationship between number of training sessions per week and learning in dogs
Meyer, Iben & Ladewig, Jan, 2008, In: Applied Animal Behaviour Science. 111, 3-4, p. 311-320 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of signals from experienced and inexperienced dog handlers on the behaviour of dogs
Lynge, H. & Ladewig, Jan, 2005, In: The European Journal of Companion Animal Practice. 15, 1, p. 67-72 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A review of The Ridden Horse pain Ethogram and its potential to improve ridden horse welfare
Ladewig, Jan, McLean, A. N., Wilkins, C. L., Fenner, K., Christensen, J. W. & McGreevy, P. D., 2022, In: Journal of Veterinary Behavior. 54, p. 54-61 8 p.Research output: Contribution to journal › Review › Research › peer-review
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Ontogeny: preparing the young horse for its adult life
Ladewig, Jan, Søndergaard, E. & Christensen, J. W., 2005, The domestic horse: the origins, development and management of its behaviour. Mills, D. S. & McDonnell, S. M. (eds.). Cambridge University Press, p. 139-149 11 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Equitation safety: everything about your safety in connection with horses
Ladewig, Jan, Oct 2015, 1 ed. Black Tent Publications. 200 p.Research output: Book/Report › Book › Communication
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Adfærdsproblemer og adfærdsterapi hos familiedyr
Ladewig, Jan & Lund, J. D., 1996, In: DANSK VETERINÆRTIDSSKRIFT. 16, p. 732 1 p.Research output: Contribution to journal › Journal article › Communication
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Bedste løsning kan være aflivning
Ladewig, Jan, 2001, In: Landsbladet hest. 2Research output: Contribution to journal › Journal article › Communication
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Adfærdsproblemer
Ladewig, Jan & Lund, J. D., 1996, In: DANSK VETERINÆRTIDSSKRIFT. 19, p. 862-866 5 p.Research output: Contribution to journal › Journal article › Communication
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Clever Hans is still whinnying with us
Ladewig, Jan, 2007, In: Behavioural Processes. 76, 1, p. 20-21 2 p.Research output: Contribution to journal › Letter › Research › peer-review
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Body language: Its importance for communication with horses
Ladewig, Jan, 2019, In: Journal of Veterinary Behavior. 29, p. 108-110 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Of mice and men: improved welfare through clinical ethology
Ladewig, Jan, 2005, In: Applied Animal Behaviour Science. 92, 3, p. 183-192 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The ¤quantitative measurement of motivation: generation of demand functions under open versus closed economics
Ladewig, Jan, Sørensen, Dorte Bratbo, Nielsen, P. P. & Matthews, L. R., 2002, In: Applied Animal Behaviour Science. 79, 4, p. 325-331 22 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hellere fold end arbejde
Ladewig, Jan, 2002, In: Landsbladet hest. 5, p. 18-19 2 p.Research output: Contribution to journal › Journal article › Communication
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Rider du på en tikkende bombe?
Ladewig, Jan, 2001, In: Landsbladet hest. 6Research output: Contribution to journal › Journal article › Communication
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En ¤introduktion til klinisk etologi
Ladewig, Jan & Jensen, K. H., 2002, In: Dansk Veterinærtidsskrift. 85, 4, p. 17-19 3 p.Research output: Contribution to journal › Journal article › Research
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Problemer med at bevare roen
Ladewig, Jan, 2001, In: Landsbladet hest. 4Research output: Contribution to journal › Journal article › Communication
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How to live in a variable world: keep your mind flexible
Ladewig, Jan, 1997, In: Applied Animal Behaviour Science. 54, p. 39-41 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The ¤role of operant conditioning in animal welfare research
Ladewig, Jan & Matthews, L. R., 1996, In: Acta Agriculturae Scandinavica. Section A. Animal Science. 27, p. 64-68 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Ponyen sparker kun efter en person
Ladewig, Jan, 2002, In: Landsbladet hest. 2, p. 38-39 2 p.Research output: Contribution to journal › Journal article › Communication
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Placebo Forebyg angst: tro, overtro eller sund fornuft?
Ladewig, Jan, 2001, In: Landsbladet hest. 9Research output: Contribution to journal › Journal article › Communication
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Eksamen i sikker håndtering af heste
Ladewig, Jan, 2002, In: Landsbladet hest. 9, p. 42-43 2 p.Research output: Contribution to journal › Journal article › Communication
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Trailere er skræmmende
Ladewig, Jan, 2002, In: Landsbladet hest. 9, p. 12-15 4 p.Research output: Contribution to journal › Journal article › Communication
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Lyt til hvad din hest fortæller dig
Ladewig, Jan, 2002, In: Landsbladet hest. 3, p. 24-25 2 p.Research output: Contribution to journal › Journal article › Communication
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Temperament er arveligt
Ladewig, Jan, 2001, In: Landsbladet hest. 8Research output: Contribution to journal › Journal article › Communication
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Forebyg angst
Ladewig, Jan, 2001, In: Landsbladet hest. 8Research output: Contribution to journal › Journal article › Communication
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The behaviour of broiler chickens in different light sources and illuminances
Kristensen, H. H., Prescott, N. B., Perry, G. C., Ladewig, Jan, Ersbøll, A. K., Overvad, K. C. & Wathes, C. M., 2007, In: Applied Animal Behaviour Science. 103, 1-2, p. 75-89 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Light quality and lameness of broiler chickens
Kristensen, H. H., Perry, G. C., Prescott, N. B., Ladewig, Jan & Wathes, C. M., 2003. 2 p.Research output: Contribution to conference › Poster › Research
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Leg health and performance of broiler chickens reared in different light environments
Kristensen, H. H., Perry, G. C., Prescott, N. B., Ladewig, Jan, Ersbøll, A. K. & Wathes, C. M., 2006, In: British Poultry Science. 47, 3, p. 257-263 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Light quality and the visual acuity of broiler chickens
Kristensen, H. H., Prescott, N. B., Ladewig, Jan, Perry, G. & Wathes, C. M., 2002. 1 p.Research output: Contribution to conference › Paper › Research
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Light quality preferences of broiler chickens
Kristensen, H. H., Prescott, N. B., Ladewig, Jan, Perry, G., Fraas Johnsen, P. & Wathes, C. M., 2002, Internal report. Krohn, C. C. & Ladewig, J. (eds.). 151 ed. p. 42-43 2 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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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
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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
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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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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Social learning in horses-fact or fiction?
Research output: Contribution to journal › Review › Research › peer-review
Published