Aarhus University Seal / Aarhus Universitets segl

Lene Juul Pedersen

  1. 1989
  2. Published

    Søer i løsdrift trives godt. / Pedersen, Lene Juul; Jensen, Karin Hjelholt.

    In: Landsbladet, Vol. 17, 1989, p. 39-42.

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

  3. Published

    The influence of housing systems on the reproductive behaviour at oestrus. / Pedersen, Lene Juul; Jensen, Karin Hjelholt.

    In: Acta Agric. Scand., Vol. 39, 1989, p. 331-343.

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

  4. 1990
  5. Published

    EF's forordning om velfærd hos svin : Artikelserie udgivet 9., 16. og 23. marts 1990. / A.M., Hagelsoe; Hansen, L.L.; Jensen, Karin Hjelholt; Pedersen, Lene Juul.

    In: Landsbladet, 03.1990.

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

  6. 1991
  7. Published

    From farrowing to weaning - the ethological approach in a new integrated system for pigs. / A.M., Hagelsoe; Pedersen, Lene Juul.

    In: Applied Animal Behaviour Science, Vol. 30, No. 1-2, 1991, p. 190.

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

  8. Published

    Physiological and behavioural effects of long-term intermittent stress in the pig. / Jensen, Karin Hjelholt; Pedersen, Lene Juul.

    1991.

    Research output: Contribution to conferencePosterResearchpeer-review

  9. Published

    Physiological and behavioural effects of long-term intermittent stress in the pig. / Jensen, Karin Hjelholt; Pedersen, Lene Juul.

    Proceedings of the 25th International Congress of the Society for Veterinary Ethology. 1991. p. 150.

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

  10. 1992
  11. Published

    Nyt system til grupper af løsgående søer under faring, diegivning og fravænning. / A.M., Hagelsoe; Pedersen, Lene Juul.

    In: Landbo-Nyt, Vol. 1, 1992.

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

  12. Published

    Betydningen af stress for søers reproduktionsevne. / Pedersen, Lene Juul; A.M., Hagelsoe.

    In: Veterinærinformation, Vol. 1, 02.1992.

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

  13. Published

    The effect of aggression and rank order in post-weaning grouped sows on the plasma level of cortisol, prolactin and oestradiol and on the weaning to oestrus interval. / Pedersen, Lene Juul; Rojkittikhun, T.; Einarsson, S.; Edqvist, L.E.

    The proceeding of the 12th International Congress on Animal Reproduction. 1992. p. 993-995.

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

  14. Published

    The effect of aggression and rank order in post-weaning grouped sows on the plasma level of cortisol, prolactin and oestradiol and on the weaning to oestrus interval. / Pedersen, Lene Juul; Rojkittikhun, T.; Einarsson, S; Edqvist, L.E.

    1992. Poster session presented at 12th International Congress on Animal Reproduction, The Hague, Netherlands.

    Research output: Contribution to conferencePosterResearch

  15. 1993
  16. Published

    Boar-induced puberty in chronic stressed gilts. / Pedersen, Lene Juul; Jensen, Karin Hjelholt.

    1993.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  17. Published

    Boar-induced puberty in chronic stressed gilts. / Pedersen, Lene Juul; Jensen, Karin Hjelholt.

    1993.

    Research output: Contribution to conferencePosterCommunication

  18. Published

    Postweaning grouped sows - effects of aggression on hormonal patterns and oestrus behaviour. / Pedersen, Lene Juul; Rojkittikhun, T.; Einarsson, S.; Edquist, L.E.

    In: Applied Animal Behaviour Science, Vol. 47, 1993, p. 39-47.

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

  19. Published

    The influence of stress and the social environment on oestrus and mating in swine. / Pedersen, Lene Juul.

    1993.

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

  20. 1994
  21. Published

    Piglet mortality in a multi-suckling system: Identification of risk factors with special emphasis on maternal behaviour. / Dybkjær, Lise; Møller, Finn; Giersing, Anne Mette; Pedersen, Lene Juul.

    Proceedings of the 28th International Congress of the ISAE. 1994. p. 54-54.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  22. Published

    Stress er reproduktionen en dårlig hjælper. / Pedersen, Lene Juul.

    In: Hyologisk Tidsskrift, Vol. 5, 1994, p. 30-31.

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

  23. 1995
  24. Published

    Intermittent stress in pigs: Behavioural and pituitary-adrenocortical reactivity. / Jensen, Karin Hjelholt; Pedersen, Lene Juul; Giersing Linder, A M; Heller, K.E.; Jørgensen, Erik; Ladewig, J.

    In: Acta Agriculturae Scandinavica, Section A - Animal Science, Vol. 45, 1995, p. 276-285.

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

  25. Published

    Well-being in pregnant sows: Confinement versus group housing with electronic sow feeding. / Jensen, Karin Hjelholt; Pedersen, B.K.; Pedersen, Lene Juul; Jørgensen, Erik.

    In: Acta Agriculturae Scandinavica, Section A - Animal Science, Vol. 45, 1995, p. 266-275.

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

  26. 1996
  27. Published

    Intermittent stress in pigs: effects on behaviour, pituitary-adrenocortical axis, growth and gastric ulceration. / Jensen, Karin Hjelholt; Pedersen, Lene Juul; Nielsen, E.K.; Heller, K.E.; Ladewig, J.; Jørgensen, Erik.

    In: Physiology & Behavior, Vol. 59, 1996, p. 741-748.

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

  28. Published

    The effect of long-term stress on the pituitary-adrenal-axis and the role of the stressor. / Jensen, Karin Hjelholt; Hansen, Steffen W; Pedersen, Lene Juul.

    In: Acta Agric. Scand., Section A, Animal Sci., Vol. 27, 1996, p. 40-45.

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

  29. Published

    Pre- and postpubertal LH and estradiol pattern in gilts subjected to intermittent inescapable electroshock. / Pedersen, Lene Juul; Jensen, Karin Hjelholt; Jørgensen, Erik.

    In: Acta Veterinaria Scandinavica (Print Edition), Vol. 37, 1996, p. 153-161.

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

  30. 1997
  31. Published

    Oestrus and mating behaviour in gilts during boar-induced puberty in relation to stress and housing. / Pedersen, Lene Juul; Jensen, Karin Hjelholt; Giersing Linder, A M.

    In: Applied Animal Behaviour Science, Vol. 52, 1997, p. 13-24.

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

  32. Published

    Socialization to humans of pigs at different ages. / Pedersen, Lene Juul.

    Proceedings of the 31st International Congress of the ISAE. 1997. p. 208-208.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  33. Published

    Suckling behaviour of piglets in relation to competition at the udder. / Pedersen, Lene Juul; Studnitz, Merete; Jensen, Karin Hjelholt; Giersing, A M L.

    Proceedings of the 9th Nordic Winter Meeting of the ISAE. 1997.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  34. 1998
  35. Published

    Get-away stier til diegivende søer. / Pedersen, Lene Juul; Studnitz, Merete; Jensen, Karin Hjelholt; Giersing, Mette.

    Den Danske Dyrlægeforenings Årsmøde. 1998.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  36. Published

    Getaway stier til diegivende søer. / Pedersen, Lene Juul; Studnitz, Merete; Jensen, Karin Hjelholt; Giersing, Mette.

    Sundhed og velfærd i produktionssystemer for løse søer. ed. / Karin Hjelholt Jensen. 1998. p. 43-46 (Intern rapport; No. 107).

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  37. Published

    Løbeafdelinger til løsgående søer. / Pedersen, Lene Juul; Nielsen, N.-P.

    Kongres for svineproducenter. 1998. p. 149-154.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  38. Published

    Løsgående søer kan blive skræmt fra at stå for ornen. / Pedersen, Lene Juul.

    In: Landsbladet Svin, No. 8, 1998, p. 20-21.

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

  39. Published

    Oestrus behaviour of group housed sows in relation to competitive success. / Pedersen, Lene Juul; Rydhmer, L.; Neil, M.; Dalin, A.M.

    Proceedings of the 31st International Congress of the ISAE. 1998. p. 31-31.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  40. Published

    Soens adfærd som forudsætning for indretning og drift af løsdriftstald- med speciel fokus på løbeafdelingen. / Pedersen, Lene Juul.

    Staldseminar. 1998.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  41. Published

    Suckling behaviour of piglets in relation to accessibility to the sow and the presence of foreign litters. / Pedersen, Lene Juul; Studnitz, Merete; Jensen, Karin Hjelholt; Giersing, Mette.

    In: Applied Animal Behaviour Science, Vol. 58, 1998, p. 267-279.

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

  42. 1999
  43. Published

    Responses to repeated deprivation of lying down on feed intake, performance and blook hormone concentration in growing bulls. / Ingvartsen, Klaus Lønne; Munksgaard, Lene; Nielsen, V. K. M.; Pedersen, Lene Juul.

    In: Acta Agriculturae Scandinavica, Section A - Animal Science, Vol. 49, 1999, p. 260-265.

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

  44. Published

    Deprivation of lying down affects behaviour and pituitary-adrenal axis responses in young bull. / Munksgaard, Lene; Ingvartsen, Klaus Lønne; Pedersen, Lene Juul; Nielsen, V.K.M.

    In: Acta Agriculturae Scandinavica, Section A - Animal Science, Vol. 49, 1999, p. 172-178.

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

  45. Published

    Responses of young bulls to repeated deprivation of lying down. / Munksgaard, Lene; Ingvartsen, Klaus Lønne; Pedersen, Lene Juul.

    Proceedings of the 33rd International Congress of the International Societyt for Applied Ethology. ed. / K E Bøe; M Bakken; B O Braastad. 1999. p. 115-115.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  46. Published

    Sexual motivation in relation to social rank in pair housed sows. / Pedersen, Lene Juul; Heiskanen, T.

    Proceedings of the 33rd International Congress of the International Society for Applied Ethology. ed. / K E Bøe; M Bakken; B O Braastad. 1999. p. 61-61.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  47. 2000
  48. Published

    A simplified technique for non-surgical catheterization of the vena cava cranialis in pigs and an evaluation of the method. / Damm, B I; Pedersen, Lene Juul; Ladewig, J; Jensen, Karin Hjelholt.

    In: Laboratory Animals, Vol. 34, 2000, p. 182-188.

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

  49. Published

    Eliminative behaviour in periparturient gilts. / Damm, B I; Pedersen, Lene Juul.

    In: Acta Agriculturae Scandinavica, Section A - Animal Science, Vol. 50, 2000, p. 316-320.

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

  50. Published

    The presence of a farrowing nest affects gilt responsiveness to neonatal piglets and interval from birth to first suckle. / Damm, B I; Pedersen, Lene Juul; Marchant, J N; Jensen, Karin Hjelholt.

    Proc. 34th International Congress of the ISAE. 2000. p. 127-127.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  51. Published

    Methodological aspects of operant conditioning: do type of work and duration of access to reward affect demand functions in mink. / Hansen, Steffen W; Jensen, Margit Bak; Pedersen, Lene Juul; Munksgaard, Lene; Ladewig, J; Matthews, L.

    Proceedings of the 12th Nordic Symposium of the ISAE. 2000. p. 29-30.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  52. Published

    The effect of response type on the demand for food in mink. / Hansen, Steffen W; Jensen, Margit Bak; Pedersen, Lene Juul; Munksgaard, Lene; Ladewig, J; Matthews, L R.

    Proceedings of the 34th International Congress of the ISAE. 2000. p. 140-140.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  53. Published

    No effect of variation in handling on behaviour in a porcine elevated plus-maze - a brief report. / Janczak, A M; Pedersen, Lene Juul; Jensen, Karin Hjelholt; Andersen, I L; Bøe, K E; Bakken, M.

    In: Applied Animal Behaviour Science, Vol. 69, 2000, p. 169-173.

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

  54. Published

    Methodological aspects of operant conditioning: does subdivision of bouts of social contact affect social behaviour in pigs and calves? / Jensen, Margit Bak; Pedersen, Lene Juul; Hansen, Steffen W; Munksgaard, Lene; Matthews, L; Ladewig, J.

    Proceedings of the 12th Nordic Symposium of the ISAE. 2000. p. 33-34.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  55. Published

    The effect of subdivision of bouts of social contact on the social behaviour in pigs and calves, implications for use of operant conditioning to access behavioural priorities. / Jensen, Margit Bak; Pedersen, Lene Juul; Hansen, Steffen W; Munksgaard, Lene; Ladewig, J; Matthews, L R.

    Proceedings of the 34th International Congress of the ISAE. 2000. p. 70-70.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  56. Published

    Methodological aspects of operant conditioning: does isolation affect the motivation to work for food and straw in pigs? / Pedersen, Lene Juul; Jensen, Margit Bak; Hansen, Steffen W; Munksgaard, Lene; Ladewig, J.; Matthews, L.

    Proceedings of the 12th Nordic Symposium of the International Society for Applied Ethology. 2000. p. 31-32.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  57. Published

    The influence of early social experiences of piglets on response pattern to social and non-social challenges. / Pedersen, Lene Juul; Andersen, E H; Jensen, Karin Hjelholt; Bakken, M.

    Proc. 34th International Congress of the ISAE. 2000. p. 180-180.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  58. 2001
  59. Published

    Redebygnings- og faringsmiljø. / Damm, B I; Pedersen, Lene Juul; Herskin, Mette S; Thodberg, Karen; Jensen, Karin Hjelholt.

    Bilag til temamøde "Hvordan kan vi forbedre søernes mælkeproduktion og dermed pattegrisenes sundhed, vækst og overlevelse": Intern rapport nr. 141. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, 2001. p. 44-48.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  60. Published

    The presence of a farrowing nest affects gilt responsiveness to neonatal piglets and interval from birth to first suckle. / Damm, B I; Pedersen, Lene Juul; Marchant, J N; Jensen, Karin Hjelholt.

    Bilag til temamøde "Hvordan kan vi forbedre søernes mælkeproduktion og dermed pattegrisenes sundhed, vækst og overlevelse": Intern rapport nr. 141. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, 2001. p. 66-66.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  61. Published

    Do pigs have consistent personality traits? / Janczak, A.M.; Pedersen, Lene Juul; Bakken, M.

    Proceedings of the 25th Congress of the ISAE. 2001. p. 161-161.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  62. Published

    Effects of interrupted social contact on the social behaviour of calves and piglets. / Jensen, Margit Bak; Pedersen, Lene Juul; Hansen, Steffen W; Munksgaard, Lene; Ladewig, J.; Matthews, L.

    In: Behavioural Processes, Vol. 56, 2001, p. 23-29.

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

  63. Published

    Giv søerne plads og reducér konkurrencen om foder og vand. / Pedersen, Lene Juul; Thodberg, Karen; Jensen, Karin Hjelholt.

    In: Hyologisk Tidsskrift, Vol. 2001, No. 6, 2001, p. 22-23.

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

  64. Published

    Kuldudjævning. / Pedersen, Lene Juul.

    Hvordan kan vi forbedre søernes mælkeproduktion og dermed pattegrisenes sundhed, vækst og overlevelse?. 2001. p. 52-56 (Intern rapport; No. 141).

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  65. Published

    Laktationens igangsætning og vedligeholdelse. / Pedersen, Lene Juul; Sørensen, Martin Tang.

    Hvordan kan vi forbedre søernes mælkeproduktion og dermed pattegrisenes sundhed, vækst og overlevelse?. 2001. p. 4-9 (Intern rapport; No. 141).

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  66. Published

    Methodological aspects of operant conditioning : Does isolation affect the motivation to work for food and straw in pigs? Statistical analysis using mixed models with repeated measurements. / Pedersen, Lene Juul.

    Mixed models applied in agricultural sciences based on a course in mixed models for use in animal health and animal welfare research. 2001. p. 115-124 (Internal Report; No. 2001-06).

    Research output: Contribution to book/anthology/report/proceedingReport chapterResearch

  67. Published

    Pattegrisenes mælkeforsyning kan forbedres. / Pedersen, Lene Juul; Thodberg, Karen; Jensen, Karin Hjelholt.

    In: Hyologisk Tidsskrift, Vol. 2001, No. 6, 2001, p. 10-11.

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

  68. Published

    The influence of different handling procedures on the sexual motivation of fearful and confident sows. / Pedersen, Lene Juul; Kongsted, Anne Grete.

    Proceedings of the 25th Congress of the ISAE. 2001. p. 69-69.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  69. 2002
  70. Published

    Factors affecting the transfer of porcine parvovirus antibodies from sow to piglets. / Damm, B.I.; Friggens, Nic; Nielsen, J.; Ingvartsen, Klaus Lønne; Pedersen, Lene Juul.

    In: Journal of Veterinary Medicine, Series A, Vol. 49, 2002, p. 487-495.

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

  71. Published

    Prepartum nest removal increases plasma cortisol and heart rate, and alters maternal behaviour in sows. / Damm, B.I.; Pedersen, Lene Juul; Marchant Forde, J.N.; Gilbert, C.L.

    Proceedings of the 36th International Congress of the ISAE. 2002. p. 111-111.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  72. Published

    The type of operant response affects the slope of the demand curve for food in mink. / Hansen, Steffen W.; Jensen, Margit Bak; Pedersen, Lene Juul; Munksgaard, Lene; Ladewig, J.; Matthews, L.

    In: Applied Animal Behaviour Science, Vol. 76, 2002, p. 327-338.

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

  73. Published

    Vurdering af behov ved operant konditioneringsmetoden. / Hansen, Steffen W.; Jensen, Margit Bak; Pedersen, Lene Juul; Munksgaard, Lene; Ladewig, J.; Matthews, L.

    In: Faglig Årsberetning 2001, 2002, p. 37-44.

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

  74. Published

    Effects of variation in pre-test transport duration and animal age on behaviour in the porcine elevated plus-maze - a brief report. / Janczak, A.M.; Pedersen, Lene Juul; Bakken, M.

    In: Applied Animal Behaviour Science, Vol. 77, 2002, p. 233-238.

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

  75. Published

    Operant conditioning as a method to assess lying motivation in dairy heifers. / Jensen, Margit Bak; Munksgaard, Lene; Pedersen, Lene Juul; Ladewig, L.; Matthews, L.

    Proceedings of the 36th International Congress of the ISAE. 2002. p. 69-69.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  76. Published

    Is rewarding necessary for heifers to choose familiar herd members in a Y-maze? / Koba, Y.; Munksgaard, Lene; Pedersen, Lene Juul; Tanida, H.

    Proceedings of the 36th International Congress of the ISAE. 2002. p. 147-147.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  77. Published

    Does feed-back from a nest affect periparturient behaviour and hormones in gilts? / Pedersen, Lene Juul; Damm, Birgitte Iversen; Marchant Forde, J N; Gilbert, C L.

    Proceedings of the 14th Nordic Symposium of the ISAE. 2002. p. 16 (DIAS Internal report, Vol. 151).

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  78. Published

    Opvækstens indflydelse på aggressivitet. / Pedersen, Lene Juul.

    Temamøde: Aggression hos søer og slagtesvin samt strategisk fodring til styring af kødkvalitet. 2002. p. 11-14 (DJF Intern rapport; No. 162).

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  79. Published

    Social isolation affects the motivation to work for food and straw in pigs as measured by operant conditioning techniques. / Pedersen, Lene Juul; Jensen, Margit Bak; Hansen, Steffen W.; Munksgaard, Lene; Ladewig, J.; Matthews, L.

    In: Applied Animal Behaviour Science, Vol. 77, 2002, p. 295-309.

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

  80. Published

    Substitutability of different rooting materials to pigs: assessed by the cross point between two demand functions. / Pedersen, Lene Juul; Jensen, Margit Bak; Ladewig, J.

    Proceedings of the 36th International Congress of the ISAE. 2002. p. 75-75.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  81. Published

    Mon reb virkelig er nok? / Studnitz, Merete; Jensen, Margit Bak; Pedersen, Lene Juul.

    In: Hyologisk, 2002, p. 20-20.

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

  82. 2003
  83. Published

    Does feed-back from a nest affect periparturient behaviour, heart rate and circulatory cortisol and oxytocin in gilts? / Damm, B.I.; Pedersen, Lene Juul; Marchant-Forde, J.N.; Gilbert, C.L.

    In: Applied Animal Behaviour Science, Vol. 83, 2003, p. 55-76.

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

  84. Published

    The gradual weaning process in outdoor sows and piglets in relation to nematode infections. / Damm, B.I.; Pedersen, Lene Juul; Jessen, L.B.; Thamsborg, S.M.; Mejer, H.; Ersbøll, A.K.

    In: Applied Animal Behaviour Science, Vol. 82, 2003, p. 101-120.

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

  85. Published

    Aggression, fearfulness and coping styles in female pigs. / Janczak, A M; Pedersen, Lene Juul; Bakken, M.

    In: Applied Animal Behaviour Science, Vol. 81, 2003, p. 13-28.

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

  86. Published

    Relation between early fear and anxiety-related behaviour and maternal ability in sows. / Janczak, A.M.; Pedersen, Lene Juul; Bakken, M.

    In: Applied Animal Behaviour Science, Vol. 82, 2003, p. 121-135.

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

  87. Published

    Does pauses in testing affect the demand function for locomotor activity in dairy calves? / Jensen, Margit Bak; Tuomisto, L.; Pedersen, Lene Juul.

    Proceedings of the 37th International Congress of the ISAE. 2003. p. 138-138.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  88. Published

    Effects of time constraints on resting, eating and social behaviour in dairy cows. / Munksgaard, Lene; Jensen, Margit Bak; Pedersen, Lene Juul; Hansen, Steffen W.; Matthews, L.

    Proceedings of the 15th Nordic Symposium of the ISAE. 2003. p. 23-23.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  89. Published

    Effects of feed-back from the nest on maternal responsiveness and postural changes in primiparous sows during the first 24 h after farrowing onset. / Pedersen, Lene Juul; Damm, B.I.; Marchant-Forde, J.N.; Jensen, Karin Hjelholt.

    In: Applied Animal Behaviour Science, Vol. 83, 2003, p. 109-124.

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

  90. Published

    Sexual motivation in relation to social rank in pair-housed sows. / Pedersen, Lene Juul; Heiskanen, T.; Damm, B.I.

    In: Animal Reproduction Science, Vol. 75, 2003, p. 39-53.

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

  91. Published

    The influence of adverse or gentle handling procedures on sexual behaviour in fearful and confident sows. / Pedersen, Lene Juul; Damm, B.I.; Kongsted, Anne Grete.

    In: Applied Animal Behaviour Science, Vol. 83, 2003, p. 277-290.

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

  92. Published

    In Denmark rooting material must be provided to all pigs from January 2003. / Studnitz, Merete; Jensen, Margit Bak; Pedersen, Lene Juul.

    Proceedings of the 15th Nordic Symposium of the ISAE. 2003. p. 12-12.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  93. 2004
  94. Published

    Effect of age on gilts' behaviour in a reactivity test. / Holm, L; Thodberg, Karen; Pedersen, Lene Juul.

    Proc. 16th Nordic Symp. of the ISAE. 2004. p. 18-18.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  95. Published

    Locomotor behaviour in dairy calves, the use of demand functions to assess the effect of deprivation. / Jensen, Margit Bak; Tuomisto, L; Pedersen, Lene Juul.

    In: Applied Animal Behaviour Science, Vol. 86, 2004, p. 3-14.

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

  96. Published

    Measuring the need for rest in dairy cattle using the elasticity of demand functions. / Jensen, Margit Bak; Munksgaard, Lene; Pedersen, Lene Juul; Ladewig, J; Matthews, L.

    Proc. 16th Nordic Symp. of the ISAE. 2004. p. 26-26.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  97. Published

    Prior deprivation and reward duration affect the demand function for rest in dairy heifers. / Jensen, Margit Bak; Munksgaard, Lene; Pedersen, Lene Juul; Ladewig, J; Matthews, L.

    In: Applied Animal Behaviour Science, Vol. 88, 2004, p. 1-11.

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

  98. Published

    The use of demand functions to assess behavioural priorities in farm animals. / Jensen, Margit Bak; Pedersen, Lene Juul; Ladewig, J.

    In: Animal Welfare, Vol. 13, 2004, p. S27-32.

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

  99. Published

    Early piglet mortality in loose-housed sows related to sow and piglet behaviour and to the progress of parturition. / Pedersen, Lene Juul; Jørgensen, Erik; Heiskanen, T; Damm, B I.

    Proc. 38th International Congress of the ISAE. 2004. p. 87.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  100. Published

    Fareso på første klasse. / Pedersen, Lene Juul.

    In: Hyologisk Tidsskrift, No. 3, 2004.

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

  101. Published

    Løsgående diegivende søer er fortsat en udfordring for landmanden. / Pedersen, Lene Juul.

    In: Nyhedsbrevet, Danmarks JordbrugsForskning, 2004.

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

  102. Published

    Sexual motivation in relation to social rank in group housed sows : W8.2. / Pedersen, Lene Juul; Rydhmer, L.

    Reprod. Dom. Anim. 39(4). 2004. p. W8.2.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  103. Published
  104. Published

    Rooting materials for pigs - a choice between eighteen materials. / Studnitz, Merete; Jensen, Margit Bak; Pedersen, Lene Juul; Halekoh, Ulrich; Jørgensen, Erik.

    Proc. 38th International Congress of the ISAE. 2004. p. 107.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  105. 2005
  106. Published

    Long-stemmed straw as an additional nesting material in modified Schmid pens in a commercial breeding unit: effects on sow behaviour, and on piglet mortality and growth. / Damm, B I; Pedersen, Lene Juul; Heiskanen, T; Nielsen, N P.

    In: Applied Animal Behaviour Science, Vol. 92, 2005, p. 45-60.

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

  107. Published

    Lying down and rolling behaviour in sows in relation to piglet crushing. / Damm, B I; Forkman, B; Pedersen, Lene Juul.

    In: Applied Animal Behaviour Science, Vol. 90, 2005, p. 3-20.

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

  108. Published

    Ranking of discret choice. / Halekoh, Ulrich; Jørgensen, Erik; Jensen, Margit Bak; Pedersen, Lene Juul; Studnitz, Merete.

    Proc. EAAP, Book of abstracts 11. 2005. p. 222.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  109. Published

    Adfærdsforskning hos svin : Rodematerialer til slagtesvin og løsgående søer i farestalden. / Jensen, Margit Bak; Pedersen, Lene Juul.

    2005. 34 p. (DJF Intern rapport; No. 228).

    Research output: Book/anthology/dissertation/reportReportResearch

  110. Published

    The effect of reward duration on demand functions for rest in dairy heifers and lying requirements as measured by demand functions. / Jensen, Margit Bak; Pedersen, Lene Juul; Munksgaard, Lene.

    In: Applied Animal Behaviour Science, Vol. 90, 2005, p. 207-217.

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

  111. Published

    The relative attractiveness of six different rooting materials for growing pigs. / Jensen, Margit Bak; Pedersen, Lene Juul; Studnitz, Merete.

    Proc. 39th Int. Congr. of the ISAE, Kanagawa, Japan. 2005. p. 97-97.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  112. Published

    Effects of thermal environment on early piglet vitality in a loose house system. / Malmkvist, Jens; Pedersen, Lene Juul; Damgaard, Birthe Marie; Thodberg, Karen; Jørgensen, Erik.

    Proc. 39th Int. Congr. of the ISAE, Kanagawa, Japan. 2005. p. 62.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  113. Published

    Kan gulvvarme redde pattegrise? / Malmkvist, Jens; Pedersen, Lene Juul; Damgaard, Birthe Marie.

    Intern rapport, DJF. Vol. 225 2005. p. 25-27.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommunication

  114. Published

    Løse søer foretrækker plan støttevæg frem for friholderbøjler. / Moustsen, V; Damm, B I; Pedersen, Lene Juul; Jørgensen, Erik.

    In: SVIN, Svineproducentens Fagmagasin, No. 3, 2005, p. 22-23.

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

  115. Published

    Principper bag nye farestier til løsgående søer. / Moustsen, Vivi Aarestrup; Pedersen, Lene Juul.

    Intern rapport, DJF. Vol. 225 2005.

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommunication

  116. Published

    Quantifying behavioural priorities - effects of time constraints on behaviour of dairy cows, Bos taurus. / Munksgaard, Lene; Jensen, Margit Bak; Pedersen, Lene Juul; Hansen, Steffen W.; Matthews, L.

    In: Applied Animal Behaviour Science, Vol. 92, 2005, p. 3-14.

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

  117. Published

    Løsdrift i farestalden. / Pedersen, Lene Juul.

    In: Hyologisk, 12.2005.

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

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