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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...
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.
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...