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  1. The effects of witnessing managemental procedures during the light versus the dark phase of the light cycle on behaviour, performance and welfare of laboratory rats

    Contributor(s):: Abou-Ismail, U. A., Mohamed, R. A., El-Kholya, S. Z.

    Research has indicated that witnessing managemental procedures are stressful to laboratory rats. Yet there has been little investigation into whether the time of witnessing these procedures affects behaviour and welfare in these animals. Ninety-six rats, representing two batches, were used in...

  2. Influence of environmental conditions and facility on faecal glucocorticoid concentrations in captive pygmy rabbits ( Brachylagus idahoensis)

    Contributor(s):: Scarlata, C. D., Elias, B. A., Godwin, J. R., Powell, R. A., Shepherdson, D., Shipley, L. A., Brown, J. L.

  3. Measuring faecal glucocorticoid metabolites as a non-invasive tool for monitoring adrenocortical activity in South American camelids

    Contributor(s):: Arias, N., Requena, M., Palme, R.

  4. Prenatal stress and ketamine affect the behavioral and physiological responsiveness of early adolescent pigs to a novel arena and social confrontation test

    Contributor(s):: Backus, B. L., Bryer, P. J., Sutherland, M. A.

  5. Stress measures in tail biters and bitten pigs in a matched case-control study

    Contributor(s):: Munsterhjelm, C., Brunberg, E., Heinonen, M., Keeling, L., Valros, A.

  6. Monitoring stress hormone metabolites as a useful, non-invasive tool for welfare assessment in farm animals

    Contributor(s):: Palme, R.

  7. The effect of zoo visitors on the behaviour and faecal cortisol of the Mexican wolf (Canis lupus baileyi)

    Contributor(s):: Pifarre, M., Valdez, R., Gonzalez-Rebeles, C., Vazquez, C., Romano, M., Galindo, F.

  8. Effects of floor-feeding and the presence of a foraging substrate on the behaviour and stress physiological response of individually housed gilts

    Contributor(s):: Leeuw, J. A. de, Ekkel, E. D., Jongbloed, A. W., Verstegen, M. W. A.

    Both restricted feeding and barren housing have a negative influence on sow welfare. The aim of this study was to test whether sows that have to search for their feed in a substrate on the floor show less stereotyped (and other abnormal) behaviour and have a lower physiological stress response....

  9. The effects of surgical and chemical castration on intermale aggression, sexual behaviour and play behaviour in the male ferret ( Mustela putorius furo )

    Contributor(s):: Vinke, C. M., Deijk, R. van, Houx, B. B., Schoemaker, N. J.

    The ferret (Mustela putorius furo) has become an increasingly popular pet animal, yet little is known about their behaviour and welfare. Inter- and intra-specific aggression and the intense musky scent are the two main reasons why male ferrets are normally surgically castrated. However, it is...

  10. Relationships between scores of the feline temperament profile and behavioural and adrenocortical responses to a mild stressor in cats

    Contributor(s):: Iki, T., Ahrens, F., Pasche, K. H., Bartels, A., Erhard, M. H.

    There is a growing need for an easy assessment of stress levels in cats in order to more effectively diagnose, distinguish and treat stress-related disorders or behavioural problems. Therefore, we investigated which behavioural changes might be associated with an adrenocortical response to an...

  11. An investigation of the relationship between adrenal activity, social rank and immunocompetence in pregnant sows kept in different housing conditions

    Contributor(s):: Zanella, A. J., Mendl, M. T., Broom, D. M.

  12. Problems associated with the interpretation of physiological data in the assessment of animal welfare

    Contributor(s):: Rushen, J.

  13. The effects of the social environment on calf responses to handling and transport

    Contributor(s):: Trunkfield, H. R., Broom, D. M.

  14. Behavioural responses of heifers to ACTH injections

    Contributor(s):: Negrao, J. A., Porcionato, M. A. de F., Passille, A. M. de, Rushen, J.

    The objective of this study was to investigate behavioural changes in Holstein heifers caused by exogenous adrenocorticotropic hormone (ACTH) administration. Twelve 11-month-old heifers were submitted to either a single saline or ACTH injection and then the treatments were switched after 3 days...

  15. The influence of pleasant and unpleasant handling and the provision of toys on the growth and behaviour of male pigs

    Contributor(s):: Pearce, G. P., Paterson, A. M., Pearce, A. N.

    This experiment investigated the influence of pleasant or unpleasant handling by humans on the growth, carcass composition, adrenal morphology and behaviour of male pigs, between 40 and 90 kg bodyweight, housed in groups of 8 in barren or enriched pens. Enriched pens were supplied with toys such...

  16. Effects of floor-feeding and the presence of a foraging substrate on the behaviour and stress physiological response of individually housed gilts

    Contributor(s):: Leeuw, J. A. de, Ekkel, E. D., Jongbloed, A. W., Verstegen, M. W. A.

    Both restricted feeding and barren housing have a negative influence on sow welfare. The aim of this study was to test whether sows that have to search for their feed in a substrate on the floor show less stereotyped (and other abnormal) behaviour and have a lower physiological stress response....

  17. Effects of weaning age on the behavioural and neuroendocrine development of piglets. (Special Issue: Early Weaning.)

    Contributor(s):: Jarvis, S., Moinard, C., Robson, S. K., Sumner, B. E. H., Douglas, A. J., Seckl, J. R., Russell, J. A., Lawrence, A. B.

    Adverse early life experiences can permanently "programme" increases in stress reactivity in adulthood. We investigated whether weaning, which involves maternal separation, at different ages, altered subsequent behaviour, physiology and neuroendocrine function in young pigs. The litters of twelve...

  18. Evaluation of the effects of a socialization program in a prison on behavior and pituitary-adrenal hormone levels of shelter dogs

    Contributor(s):: Hennessy, M. B., Morris, A., Linden, F.

    This study examined outcomes of an ongoing socialization program for shelter dogs conducted at a local prison. Dogs residing at a Humane Society facility were assigned to either a "Control" or "Socialization" treatment. Dogs assigned to both treatments were administered a pretest at the Humane...

  19. Some effects of repeated handling on stress responses in sheep

    Contributor(s):: Hargreaves, A. L., Hutson, G. D.

    Repeated exposure to a handling treatment was investigated as a possible method of reducing the stress response to shearing. Sheep were exposed to sham shearing (a procedure in which no wool is removed, but which otherwise resembles shearing) on 4 occasions at 2-week intervals. The peak cortisol...

  20. Blood catecholamines in response to handling in normal and stress-susceptible swine

    Contributor(s):: DeRoth, L., Vermette, L., Blouin, A., Lariviere, N.

    Venous blood was collected from 23 porcine stress syndrome (PSS)-susceptible and 55 resistant 3-month-old Landrace pigs. Susceptibility to PSS was determined by the halothane test and resistance was confirmed by the halothane succinylcholine test, which were performed after the blood sampling...