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All Categories (1-20 of 58)

  1. A general reaction pattern across situations in prepubertal gilts

    Contributor(s):: Thodberg, K., Jensen, K. H., Herskin, M. S.

    56 prepubertal crossbred Landrace/Yorkshire gilts were subjected to a Food Competition Test, an Open Field Test, a Human Test and a Social Test. The undisturbed behaviour was video recorded in the home pen before the tests were performed. Factor analysis on open field data identified 5 factors,...

  2. A note on resting behaviour in horses kept on pasture: rolling prior to getting up

    Contributor(s):: Hansen, M. N., Estvan, J., Ladewig, J.

    In previous studies on lying behaviour in horses kept in individual boxes we observed that most horses that had been lying down resting sometimes made a rolling behaviour prior to getting up. The rolling behaviour was seen in approximately 30% of the times the horses stood up. To analyse whether...

  3. A note on the effects of forward and rear-facing orientations on movement of horses during transport

    Contributor(s):: Toscano, M. J., Friend, T. H.

    Several studies have attempted to determine the effects of orientation on a horse's ability to maintain balance during transportation. The results have often been contradictory because of differences in trailer design and lack of simultaneous comparisons. In this study, three replications of two...

  4. An attempt to assess traits of emotionality in crossbred ewes

    Contributor(s):: Torres-Hernandez, G., Hohenboken, W.

    Open-field behaviour, including exposure to a tethered dog, was examined in ewes from crosses of North Country Cheviot (NCC), Dorset Horn (DH), Finnish Landrace (FL) and Romney Marsh (RM) sires with Suffolk and Columbia ewes. Each of 164 ewes was tested 3 times, with 3-wk intervals between tests....

  5. Analysis of the movement and use of space of animals in confinement: the effect of sampling effort

    Contributor(s):: Estevez, I., Christman, M. C.

    Spatial confinement imposes behavioural restrictions on animals because of limitations in movement and use of space. Group size variations, high animal densities and social factors may exacerbate these effects. A better understanding of space use by captive animals will permit us to design...

  6. Behaviour of dairy cows under free or forced cow traffic in a simulated automatic milking system environment

    Contributor(s):: Lauwere, C. C. K. de, Hendriks, M. M. W. B., Metz, J. H. M., Schouten, W. G. P.

    The behaviour in 20 crossbred Holstein cows in 3 experiments (Ia, Ib and II) was studied in a cubicle house with a selection system consisting of a selection stall and a concentrate feeder, simulating an automatic milking system (AMS). The study was carried out at the De Ossekampen experimental...

  7. Bindung und Beziehung. Ein wesentlicher Bestandteil der reitpädagogischen Arbeit [Attachment and Relationship and its Significance for Paedagogical Horseback Riding]

    Contributor(s):: Solmaz, Eva

  8. Changes in distribution of Canada geese nesting in Arkansas

    Contributor(s):: Ronke, M. Eliese, Krementz, David G.

  9. Consistency of animal order in spontaneous group movements allows the measurement of leadership in a group of grazing heifers

    Contributor(s):: Dumont, B., Boissy, A., Achard, C., Sibbald, A. M., Erhard, H. W.

    The term 'leadership' has been used in several different senses, resulting in very different ways of identifying leaders and apparently inconsistent conclusions on how leadership is determined in herbivores. We therefore propose the following definitions: (i) a leader is the individual that is...

  10. Demand functions for cage size in rabbits selectively bred for high and low activity in open-field

    Contributor(s):: Jezierski, T., Scheffler, N., Bessei, W., Schumacher, E.

    It was examined whether the divergent genetic selection for activity in open-field influences the motivation of rabbits to enlarge cage size, using operant conditioning technique. Twenty New Zealand White rabbits of both sexes, chosen randomly from two lines selected over nine generations for...

  11. Dispersal behaviour of free-ranging dogs ( Canis familiaris ) in relation to age, sex, season and dispersal distance

    Contributor(s):: Pal, S. K., Ghosh, B., Roy, S.

    The dispersal of free-ranging dogs from Katwa, West Bengal, India, was studied between January 1993 and December 1996. Between January 1993 and September 1996, 315 pups were observed from 64 litters. Pups were born between October and March each year, with a peak between November and January. The...

  12. Dogs' body language relevant to learning achievement

    Contributor(s):: Hasegawa, M., Ohtani, N., Ohta, M.

    The facial expressions and body postures of dogs can give helpful information about their moods and emotional states. People can more effectively obedience train their dogs if we can identify the mannerisms associated with learning in dogs. The aim of this study was to clarify the dog's body...

  13. Effect of group housing and oral corticosterone administration on weight gain and locomotor development in neonatal rats

    Contributor(s):: Young, L. A., Pavlovska-Teglia, G., Stodulski, G., Hau, J.

  14. Effects of housing system on movement and leg strength in sows

    Contributor(s):: Marchant, J. N., Broom, D. M.

  15. Effects of mirror-image exposure on heart rate and movement of isolated heifers

    Contributor(s):: Piller, C. A. K., Stookey, J. M., Watts, J. M.

    Characteristics of a fear response in cattle include an increased heart rate, and signs of agitation. Cattle show this response when visually isolated from herdmates. Two trials were conducted to determine whether exposure to a mirror reduces the stress of social isolation of 41 heifers confined...

  16. Effects of visual stimuli and noise on fear levels in laying hens

    Contributor(s):: Scott, G. B., Moran, P.

    Conveyors have been proposed to improve bird welfare during handling procedures, but visual perception of speed may play an important role if birds find the movement frightening. To study this, stationary birds were subjected to moving stimuli of 0.33, 0.67 and 1.00 m/s by being placed between...

  17. Evidence of heterospecific referential communication from domestic horses (Equus caballus) to humans

    Contributor(s):: Malavasi, R., Huber, L.

    Referential communication occurs when a sender elaborates its gestures to direct the attention of a recipient to its role in pursuit of the desired goal, e.g. by pointing or showing an object, thereby informing the recipient what it wants. If the gesture is successful, the sender and the...

  18. Fetal kinesis and a condition of fetal inertia in equine and bovine subjects

    Contributor(s):: Fraser, A. F.

    A salient feature of behaviour in the fetus is movement. Kinetic behaviour in equine and bovine fetuses has been progressively studied in recent years using doppler ultrasound. As specific features of fetal kinesis have become identified in this study, fetal behaviour patterns have become...

  19. Headshaking in fowls: the effect of environmental stimuli

    Contributor(s):: Hughes, B. O.

    The incidence of headshaking in domestic fowls is influenced by both social and environmental factors; it was more frequent in larger groups and in subordinate birds, and it could be greatly increased by exposure to disturbing stimuli. The findings are not readily explained by earlier suggestions...

  20. HFP bei Kindern mit Komplexer Behinderung [Paedagogical horseback riding for children with multiple disabilities]

    Contributor(s):: Schäffer, Kathrin