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  1. Idiosyncratic motor laterality in the horse

    Contributor(s):: Murphy, J., Sutherland, A., Arkins, S.

    Idiosyncratic motor behaviour was investigated during four experimental procedures in 40 horses (males=20, females=20) to establish if horses revealed evidence of significant right or left laterality. The experimental procedures included (1) detection of the preferred foreleg to initiate movement...

  2. Maturation and development of social behaviour during early ontogeny in free-ranging dog puppies in West Bengal, India

    Contributor(s):: Pal, S. K.

    Six bitches and their offspring were observed in the natural environment to study the early ontogeny of certain processes like eye opening, nipple preference, play, sexual activities and locomotion. Thirteen puppies out of 35 survived at the age of 3 months indicating 63% mortality. Eye slits...

  3. Personality dimensions that emerge in companion canines

    Contributor(s):: Ley, J., Bennett, P., Coleman, G.

    Studies of dog personality have shown that personality concepts can be applied to dogs but suggest that canine personalities may not fall into the same dimensions as do human personalities. To investigate this, the structure of canine personality was explored using a method previously used to...

  4. Sex differences in equine learning skills and visuo-spatial ability

    Contributor(s):: Murphy, J., Waldmann, T., Arkins, S.

    There is evidence of superior visuo-spatial ability in males compared to females in most species investigated to-date. However, no known studies have addressed this issue in the equine. Equine visuo-spatial ability was investigated using a novel test apparatus with a sample of 62 horses (males=34...

  5. Sex of the foetus determines the time of weaning of the previous offspring of captive plains zebra ( Equus burchelli )

    Contributor(s):: Pluhacek, J., Bartos, L., Dolezalova, M., Bartosova-Vichova, J.

    We examined if captive plains zebra (Equus burchelli) mares change the timing of weaning according to the sex of the suckling foal and of the new impending foetus. We observed 19 captive plains zebra foals, in three different formations, at the Dvur Kralove Zoo. The earliest time for weaning of...

  6. The differential effects of four types of environmental enrichment on the activity budgets, fearfulness, and social proximity preference of Japanese quail

    Contributor(s):: Miller, K. A., Mench, J. A.

  7. Use of horizontal and vertical climbing structures by captive common marmosets ( Callithrix jacchus )

    Contributor(s):: Pines, M. K., Kaplan, G., Rogers, L. J.

    This study examined the effects of the orientation of bars as an aspect of internal cage design on the behaviour of 12 common marmosets (Callithrix jacchus). Each marmoset was tested individually in four separate test-cage conditions: (V) vertical bars, (H) horizontal bars, (V/H) vertical and...

  8. Utilisation of a physically-enriched environment by laboratory mice: age and gender differences

    Contributor(s):: Pietropaolo, S., Branchi, I., Chiarotti, F., Alleva, E.

    A variety of recent rodent studies have suggested the use of an enriched environment as a strategy to increase the welfare of captive animals. However, a number of standard procedures of environmental enrichment are applied without taking into account the etho-ecological, species-specific, needs...

  9. A review of the behavioral and neurochemical consequences of early weaning in rodents. (Special Issue: Early Weaning.)

    Contributor(s):: Kikusui, T., Nakamura, K., Mori, Y.

    In mammals, mother-infant bonding is based on the dependence of the infant on the mother for sustenance, i.e., the infant suckles milk, but also involving a need for physical contact. Weaning is one of the most important events that occur in developing animals and the timing of natural weaning 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. Early differentiation of male and female interactive behaviour as a possible mechanism for sexual segregation in mouflon sheep ( Ovis gmelini )

    Contributor(s):: Guilhem, C., Bideau, E., Gerard, J. F., Maublanc, M. L., Pepin, D.

    Interactive behaviour and the spatial relationships of mouflon lambs with their mothers and peers were studied in an enclosed population to look for possible early differentiation between the sexes in their social behaviour. The acts received (affiliative, sexual and agonistic behaviours) and...

  12. Foraging behaviour of wild rats ( Rattus norvegicus ) towards new foods and bait containers

    Contributor(s):: Inglis, I. R., Shepherd, D. S., Smith, P., Haynes, P. J., Bull, D. S., Cowan, D. P., Whitehead, D.

    Groups of wild rats were housed in large arenas and their foraging behaviour towards unfamiliar feeds, novel feeds and novel feed containers was monitored using remote sensing equipment. There was a large individual variation in the responses to new feeds and feed containers placed in the home...

  13. Genetic, environmental, and neighbor effects on the severity of stereotypies and feather picking in Orange-winged Amazon parrots ( Amazona amazonica ): an epidemiological study

    Contributor(s):: Garner, J. P., Meehan, C. L., Famula, T. R., Mench, J. A.

    Stereotypies and psychogenic feather picking represent two distinct forms of abnormal behavior in parrots, with implications for welfare and owner relinquishment. While both behaviors are common in captive parrots, relatively little is known about the factors that may predispose a parrot to their...

  14. Modelling the dynamic activity of broiler chickens in response to step-wise changes in light intensity

    Contributor(s):: Kristensen, H. H., Aerts, J. M., Leroy, T., Wathes, C. M., Berckmans, D.

    Controlling activity in broiler chickens may provide an inexpensive tool with the potential to improve broiler welfare by reducing lameness, reducing injuries during catching as well as increasing synchronisation within the flock. Despite much attention, no method has so far been able to control...

  15. Prevalence and cause of stereotypic behaviour in common wombats ( Vombatus ursinus ) residing in Australian zoos

    Contributor(s):: Hogan, L. A., Tribe, A.

    Aspects of captive common wombat behaviour were collected through two research experiments to determine the prevalence and cause of stereotypic behaviour in this species. A total of 20 Australian zoos completed a behaviour-based survey, 80% of the total number invited to partake. Additionally,...

  16. Seasonal changes in platform use by farmed blue foxes ( Alopex lagopus )

    Contributor(s):: Korhonen, H., Niemela, P., Tuuri, H.

    Seasonal changes in platform use were investigated in farm-raised blue foxes (Alopex lagopus) by daytime scan sampling observations and 24-h video recordings. Seasonal comparisons were made in both sexes, but other experimental treatments were applied mainly to females. Platform use was minimal...

  17. The behavioural and physiological reactions of farmed red deer to transport: effects of sex, group size, space allowance and vehicular motion

    Contributor(s):: Grigor, P. N., Goddard, P. J., Littlewood, C. A.

    30 male and 30 female yearling red deer, comprising 8 single-sex groups of 5 or 10 animals, were loaded onto a livestock transporter for 3 h at a space allowance of 0.5 or 1 msuperscript 2/deer (males), or 0.4 or 0.8 msuperscript 2/deer (females). During this time deer were either transported or...

  18. The effect of space allowance and sex on blood catecholamines and cortisol, feed consumption and average daily gain in growing lambs

    Contributor(s):: Horton, G. M. J., Malinowski, K., Burgher, C. C., Palatini, D. D.

    The effect of space allowance of 0.37, 0.62 and 0.99 msuperscript 2/lambs and sex on plasma norepinephrine, epinephrine and cortisol concentrations, feed consumption and average daily gain in Dorset lambs 11 weeks old about 21.7 kg (ewe) and 25.7 kg (ram) was examined. Lambs reared in a common...

  19. A note on effects of gender and time of day on the winter time-activity budget of adult ostriches ( Struthio camelus ) in a farming environment

    Contributor(s):: Deeming, D. C.

    Male and female adult ostriches, maintained in 3 pairs and 6 trios on a commercial ostrich farm in Britain, were observed for five 10-min periods in the morning and afternoon during February 1997. Weather conditions included periods of rain, high winds, overcast days and bright sunny days, and...

  20. Comparisons of damaging feather pecking and time budgets in male and female turkeys of a traditional breed and a genetically selected male line

    Contributor(s):: Busayi, R. M., Channing, C. E., Hocking, P. M.

    Feather and skin pecking leading to feather loss and tissue damage is a welfare problem in commercial turkeys. A factorial experiment was designed to compare a line of unselected turkeys that previously did not exhibit this behaviour with a genetically selected male line with a propensity for...