Jan Ladewig
Associate Professor emeritus
Animal Welfare and Disease Control
Grønnegårdsvej 8
1870 Frederiksberg C
- 1996
- Published
Adfærdsproblemer
Ladewig, Jan & Lund, J. D., 1996, In: DANSK VETERINÆRTIDSSKRIFT. 19, p. 862-866 5 p.Research output: Contribution to journal › Journal article › Communication
- Published
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
- Published
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
- 1997
- Published
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
- 2001
- Published
Bedste løsning kan være aflivning
Ladewig, Jan, 2001, In: Landsbladet hest. 2Research output: Contribution to journal › Journal article › Communication
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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
- Published
Forebyg angst
Ladewig, Jan, 2001, In: Landsbladet hest. 8Research output: Contribution to journal › Journal article › Communication
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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
- Published
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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Problemer med at bevare roen
Ladewig, Jan, 2001, In: Landsbladet hest. 4Research 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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Temperament er arveligt
Ladewig, Jan, 2001, In: Landsbladet hest. 8Research output: Contribution to journal › Journal article › Communication
- Published
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
- 2002
- Published
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
- Published
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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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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Hellere fold end arbejde
Ladewig, Jan, 2002, In: Landsbladet hest. 5, p. 18-19 2 p.Research output: Contribution to journal › Journal article › Communication
- Published
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 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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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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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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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
- 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
- Published
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
- Published
Trailere er skræmmende
Ladewig, Jan, 2002, In: Landsbladet hest. 9, p. 12-15 4 p.Research output: Contribution to journal › Journal article › Communication
- 2003
- Published
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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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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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
- 2004
- Published
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
- 2005
- 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
- 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
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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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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
- Published
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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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
- 2006
- 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
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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
- Published
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
- 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
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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
- 2007
- 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
- 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
- Published
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
- 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
- Published
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
- 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
- 2008
- 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
- 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
ID: 4237127
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Social learning in horses-fact or fiction?
Research output: Contribution to journal › Review › Research › peer-review
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