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  • Contents of Applied Animal Behaviour Science,Volume 76

    Volume 76 Issue 1 22 February 2002

    Ingestive behaviour of heifers grazing monocultures of ryegrass or white cloverS.M. Rutter, R.J. Orr, P.D. Penning, N.H. Yarrow and R.A. Champion (Devon, UK) . . . . . . 1

    Social behaviour in stallion groups (Equus przewalskii and Equus caballus) kept under naturaland domestic conditionsJ.W. Christensen (Tjele, Denmark), T. Zharkikh (Khersonskaja, Ukraine), J. Ladewig(Frederiksberg, Denmark) and N. Yasinetskaya (Khersonskaja, Ukraine) . . . . . . . . . . . . . . 11

    Feather pecking and cannibalism in free-range laying hens as affected by genotype, dietary levelof methionine + cystine, light intensity during rearing and age at first access to the range areaJ.B. Kjaer and P. Srensen (Tjele, Denmark). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

    Perception of time duration by domestic hensP.E. Taylor, M. Haskell, M.C. Appleby and N.K. Waran (Midlothian, UK) . . . . . . . . . . . . 41

    Why do hens sham dustbathe when they have litter?I. Anna S. Olsson, L.J. Keeling (Skara, Sweden) and I.J.H. Duncan (Guelph, Canada) . . . . 53

    Influence of cage enrichment on aggressive behaviour and physiological parameters in malemiceP.L.P. Van Loo, C.L.J.J. Kruitwagen (Utrecht, The Netherlands), J.M. Koolhaas (Haren, TheNetherlands), H.A. Van de Weerd (Norfolk, UK), L.F.M. Van Zutphen and V. Baumans(Utrecht, The Netherlands) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

    Short communicationSavaging gilts are more restless and more responsive to piglets during the expulsive phase of

    parturitionS. Ahlstrom (Helsinki, Finland), S. Jarvis and A.B. Lawrence (Edinburgh, UK) . . . . . . . . . 83

    Volume 76 Issue 2 4 March 2002

    Nursing behaviour of sows during 5 weeks lactation and effects on piglet growthA.E. Valros (Helsinki, Finland), M. Rundgren (Uppsala, Sweden), M. Spinka (Prague, CzechRepublic), H. Saloniemi (Helsinki, Finland), L. Rydhmer (Uppsala, Sweden) and B. Algers(Skara, Sweden) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

    Does the number of daily meals affect feeding motivation and behaviour of gilts fed high-fibrediets?S. Robert, R. Bergeron, C. Farmer (Quebec, Canada) and M.C. Meunier-Salaun (Saint-Gilles,France) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

    Effect of gestation housing on behaviour and skin lesions of sows in farrowing cratesL.A. Boyle (Cork, Ireland and Dublin, Ireland), F.C. Leonard (Dublin, Ireland), P.B. Lynch(Cork, Ireland) and P. Brophy (Dublin, Ireland) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

    Applied Animal Behaviour Science 76 (2002) 345347

    PII: S 0 1 6 8 - 1 5 9 1 ( 0 2 ) 0 0 0 2 7 - 8

  • The effects of confinement on periparturient behaviour and circulating prolactin,prostaglandin F2a and oxytocin in gilts with access to a variety of nest materialsB.I. Damm (Frederiksberg, Denmark), M. Bildse (Copenhagen, Denmark), C. Gilbert(Cambridge, UK), J. Ladewig and K.S. Vestergaard (Frederiksberg, Denmark) . . . . . . . . . . 135

    A note on aggression and cannibalism in laying hens following re-housing and re-groupingS. Cloutier and R.C. Newberry (Pullman, WA, USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

    Inter-group variation in abnormal behavior in chimpanzees (Pan troglodytes) and rhesus maca-ques (Macaca mulatta)M.A. Hook, S.P. Lambeth, J.E. Perlman, R. Stavisky (Bastrop, TX, USA), M.A. Bloomsmith(Atlanta, GA, USA) and S.J. Schapiro (Bastrop, TX, USA). . . . . . . . . . . . . . . . . . . . . . . 165

    Announcement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

    Volume 76 Issue 3 26 March 2002

    Relationships between bunk attendance, intake and performance of steers and heifers on varyingfeeding regimesK.S. Schwartzkopf-Genswein, S. Atwood and T.A. McAllister (Lethbridge, Canada) . . . . . . 179

    The effects of prior experience of straw and the level of straw provision on the behaviour ofgrowing pigsJ.E.L. Day, A. Burfoot, C.M. Docking, X. Whittaker, H.A.M. Spoolder (Norfolk, UK) andS.A. Edwards (Newcastle Upon Tyne, UK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

    Expression of rooting motivation in gilts following different lengths of deprivationM. Studnitz and K.H. Jensen (Tjele, Denmark) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

    Validation of a method for assessment of an acute pain in lambsV. Molony, J.E. Kent and I.J. McKendrick (Edinburgh, UK) . . . . . . . . . . . . . . . . . . . . . . 215

    Social discrimination in lambs: persistence and scopeS. Ligout, R.H. Porter (Nouzilly, France) and R. Bon (Castanet-Tolosan, France) . . . . . . . . 239

    Importance of alternative foods on the persistence of flavor aversions: implications for appliedflavor avoidance learningB.A. Kimball (Fort Collins, CO, USA), F.D. Provenza and E.A. Burritt (Logan, UT, USA) . 249

    Volume 76 Issue 4 2 April 2002

    An assessment of several potential enrichment devices for feedlot cattleS.C. Wilson, F.M. Mitlohner, J. Morrow-Tesch, J.W. Dailey and J.J. McGlone (Lubbock, TX,USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

    Alternative housing for sows and litters. Part 3. Effects of piglet diet quality and sow-controlledhousing on performance and behaviourE.A. Pajor (Montreal, Canada), D.M. Weary (Vancouver, Canada), C. Caceres (Montreal,Canada), D. Fraser (Vancouver, Canada) and D.L. Kramer (Montreal, Canada) . . . . . . . . . 267

    Alternative housing for sows and litters. Part 4. Effects of sow-controlled housing combined witha communal piglet area on pre- and post-weaning behaviour and performanceD.M. Weary (Vancouver, Canada), E.A. Pajor, M. Bonenfant (Montreal, Canada), D. Fraser(Vancouver, Canada) and D.L. Kramer (Montreal, Canada) . . . . . . . . . . . . . . . . . . . . . . . 279

    Alternative housing for sows and litters. Part 5. Individual differences in the maternalbehaviour of sowsA.D. Pitts, D.M. Weary, D. Fraser (Vancouver, Canada), E.A. Pajor (West Lafayette, IN, USA)and D.L. Kramer (Montreal, Canada) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

    Dynamics of aggression in the domestic fowlI. Estevez (College Park, MD, USA and Skara, Sweden), R.C. Newberry (Pullman, WA, USA)and L.J. Keeling (Skara, Sweden) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

    346 Contents of Applied Animal Behaviour Science, Volume 76

  • The type of operant response affects the slope of the demand curve for food in minkS.W. Hansen, M.B. Jensen, L.J. Pedersen, L. Munksgaard (Tjele, Denmark), J. Ladewig(Frederiksberg, Denmark) and L. Matthews (Hamilton, New Zealand). . . . . . . . . . . . . . . . 327

    Short communicationA brief note on some possible factors involved in the reactions of horses to humans

    M. Hausberger and C. Muller (Rennes, France) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339

    Contents of Applied Animal Behaviour Science, Volume 76 . . . . . . . . . . . . . . . . . . . . . . . 345

    Contents of Applied Animal Behaviour Science, Volume 76 347