Contents of applied animal behaviour science, volume 25

Applied Animal Behaviour Science, 25 (1990) 189-190

189

Elsevier Science Publishers B.V., Amsterdam - - Printed in The Netherlands

Contents o f Applied Animal Behaviour Science, Volume 2 5 VOL. 2 5 N O S . 1 - 2

JANUARY 1990

Aversive responses of dogs to ultrasonic, sonic and flashing light units J.K. Blackshaw, W. Bates, J. Rose, D. Bramham (St. Lucia, Qld., Australia), G.E. Cook, P. Harding (Brisbane, Qld., Australia) and C. Day (Fairfield, Vic., Australia) ........ Priority of access to limited feed, butting hierarchy and movement order in a large group of sheep C.M. Sherwin (Armidale, N.S.W., Australia) .......................................................................... Ability of lambs to learn about novel foods while observing or participating with social models A.G. Thorhallsdottir, F.D. Provenza and D.F. Balph (Logan, UT, U.S.A.) ......................... The role of the mother in the intake of harmful foods by lambs A.G. Thorhallsdottir, F.D. Provenza and D.F. Balph (Logan, UT, U.S.A.) ......................... Social influences on conditioned food aversions in sheep A.G. Thornhallsdottir, F.D. Provenza and D.F. Balph (Logan, UT, U.S.A. ) ....................... Discrimination between the odours of fresh oestrous and non-oestrous ewe urine by rams M.J. Blissitt, K.P. Bland and D.F. Cottrell (Edinburgh, Gt. Britain) .................................. Getting-up and lying-down behaviours of loose-housed sows and social contacts between sows and piglets during Day I and Day 8 after parturition J.K. Blackshaw and A. Mette Hagelso (Tjele, Denmark) ....................................................... Directing the teat-seeking behaviour of newborn piglets: use of sloped floors and curved corners in the design of farrowing units K.A. Rohde Parfet and H.W. Gonyou (Urbana, IL, U.S.A.) .................................................. The heritability of the trait fear of humans and the association between this trait and subsequent reproductive performance of gilts P.H. Hemsworth, J.L. Barnett, D. Treacy and P. Madgwick (Werribee, Vic., Australia ) ..................................................................................................................................... Behaviour of laying hens during induced moulting in three different production systems S.E. Aggrey, H. Kroetzl and D.W. Foelsch (Zurich, Switzerland) ......................................... Beak trimming and genetic stock effects on behavior and mortality from cannibalism in White Leghorn-type pullets J.V. Craig and H.-Y. Lee (Manhattan, KS, U.S.A.) ............................................................... Use of pen space by broiler chickens: effects of age and pen size R.C. Newberry (Agassiz, B.C., Canada) and J.W. Hall (Vancouver, B.C., Canada) ........... Sequential analysis of cattle location: day-to-day movement patterns D.W. Bailey, L.R. Rittenhouse (Fort Collins, CO, U.S.A.) and J.W. Walker (College Station, TX, U.S.A. ) ................................................................................................................... Social influences on the reactivity of heifers: implications for learning abilities in operant conditioning A. Boissy and P. Le Neindre (Ceyrat, France) ........................................................................ Social facilitation in the horse (Equus cabaUus ) H. Rif~ (P. de Asturias, Spain) .................................................................................................

1

9

25 35 45 51

61

71

85 97

107 125

137

149 167

Commentary The validity of physiological and behavioural measures of animal welfare J.L. Barnett and P.H. Hemsworth (Werribee, Vic., Australia) .............................................. 177

190

VOL. 2 5 N O S . 3 - 4

FEBRUARY 1990

Cumulative Indexes of Applied Animal Behaviour Science Volume 1-25