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Tags: Immunity + Animal behavior

All Categories (1-11 of 11)

  1. Environmentally enriching American mink ( Neovison vison) increases lymphoid organ weight and skeletal symmetry, and reveals differences between two sub-types of stereotypic behaviour

    Contributor(s):: Diez-Leon, M., Bursian, S., Galicia, D., Napolitano, A., Palme, R., Mason, G.

    Enrichment studies for wild carnivores (e.g., in zoos) are often short-term, use enrichments of unknown motivational significance, and focus on glucocorticoids and stereotypic behaviour (SB), ignoring other stress-relevant variables. Our study assessed the broad behavioural and physiological...

  2. The effect of conspecific removal on the behaviour and physiology of pair-housed shelter dogs

    Contributor(s):: Walker, J. K., Waran, N. K., Phillips, C. J. C.

    Dogs ( Canis familiaris) are a highly social species and within a shelter environment pair-housing is recommended to prevent the stress associated with social isolation. Separation of individuals which may have formed bonds in this environment is a usual occurrence, as a result of rehoming or...

  3. Sickness behaviours in ducks include anorexia but not lethargy

    Contributor(s):: Marais, M., Maloney, S. K., Gray, D. A.

  4. Behavioural and physiological consequences of acute social defeat in growing gilts: effects of the social environment

    Contributor(s):: Ruis, M. A. W., Groot, J. de, Brake, J. H. A. te, Ekkel, E. D., Burgwal, J. A. van de, Erkens, J. H. F., Engel, B., Buist, W. G., Blokhuis, H. J., Koolhaas, J. M.

    Endocrine, behavioural and immunological processes, together with body growth, were evaluated in gilts that were defeated at 10 weeks of age in resident-intruder tests. Immediately after defeat, gilts were either separated from or reunited with a familiar conspecific (litter-mate; always a...

  5. The effects of regular visual contact with human beings on fear, stress, antibody and growth responses in broiler chickens

    Contributor(s):: Zulkifli, I., Gilbert, J., Liew, P. K., Ginsos, J.

    This study investigated the effects of regular visual contact at various ages on tonic immobility (TI) and heterophil/lymphocyte ratio (HLR) reactions to handling and crating, antibody production, growth performance and feed conversion ratios in commercial broiler chicks. Broiler chicks were...

  6. 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.

  7. Social behaviour and immunologival correlates in group-housed laboratory does

    Contributor(s):: Held, S. D. E., Turner, R. J., Wootton, R. J.

  8. The welfare of gestating sows in conventional stalls and large groups on deep litter

    Contributor(s):: Karlen, G. A. M., Hemsworth, P. H., Gonyou, H. W., Fabrega, E., Strom, A. D., Smits, R. J.

    Confinement of breeding sows and gilts is a controversial welfare issue in livestock production and there is worldwide interest in finding alternative housing systems for gestating pigs. This study measured aspects of the welfare of gestating sows housed in either large groups on deep litter...

  9. Behaviour, stress and health: where do we stand?

    Contributor(s):: Dantzer, R.

  10. Neuroendocrine integration of stress and significance of stress for the performance of farm animals

    Contributor(s):: Borell, E. von

  11. Assessment of welfare from physiological and behavioural responses of New Zealand dairy cows exposed to cold and wet conditions

    Contributor(s):: Webster, J. R., Stewart, M., Rogers, A. R., Verkerk, G. A.

    There is a need to assess the welfare of dairy cows that live outdoors under cold and wet conditions. This study combined a number of techniques to measure stress and make an assessment of welfare in this situation. Two groups often non-pregnant, non-lactating Holstein Friesian cows were exposed...