Individual behavioural characteristics in pigs and their impact on production

Kooij, E. van Erp-van der; Kuijpers, A.H.; Schrama, J.W.; Ekkel, E.D.; Tielen, M.J.M.

doi:10.1016/s0168-1591(99)00094-5

Cited by 61 publications

(33 citation statements)

References 22 publications

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“…Given previous findings that an animal's coping profile influences responsiveness to stress (Oortmerssen and Busser 1989;Koolhaas et al 1999;Van Erp-an der Kooij et al 2000;Hawley et al 2010), the goal of the current study was to investigate the impact of EBR training on each of the coping profiles used previously in our laboratory (i.e. passive, active, and variable) to determine whether these predisposed responses to stress can be altered by EBR training.…”

Section: Introductionmentioning

confidence: 99%

Behavioral training and predisposed coping strategies interact to influence resilience in male Long-Evans rats: Implications for depression

Bardi

Rhone

Franssen

et al. 2012

Stress

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Effective coping strategies and adaptive behavioral training build resilience against stress-induced pathology. Both predisposed and acquired coping strategies were investigated in rats to determine their impact on stress responsiveness and emotional resilience. Male Long-Evans rats were assigned to one of the three coping groups: passive, active, or variable copers. Rats were then randomly assigned to either an effort-based reward (EBR) contingent training group or a non-contingent training group. Following EBR training, rats were tested in appetitive and stressful challenge tasks. Physiological responses included changes in fecal corticosterone and dehydroepiandrosterone (DHEA) metabolites as well as neuropeptide Y (NPY)-immunoreactivity in the hippocampus and amygdala. Regardless of a rat's predisposed coping strategy, EBR rats persisted longer than non-contingent rats in the appetitive problem-solving task. Furthermore, training and coping styles interacted to yield the seemingly most adaptive DHEA/corticosterone ratios in the EBR-trained variable copers. Regardless of training group, variable copers exhibited increased NPY-immunoreactivity in the CA1 region.

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Section: Introductionmentioning

confidence: 99%

Behavioral training and predisposed coping strategies interact to influence resilience in male Long-Evans rats: Implications for depression

Bardi

Rhone

Franssen

et al. 2012

Stress

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show abstract

“…In bovine, Simmental was more difficult to handle than German Angus (Gauly et al ., 2001). In swine, it was reported that there were positive relations between backtest scores and lean meat percentage that reflect a possibly heritable behavioral trait, which might be influenced by the environment and by the previous experiences (van Erp-van der Kooij et al ., 2000). Additionally, pigs that walked less in the open field pen seemed to have grown faster for a certain period than did pigs with high open field scores (Beilharz et al ., 1967).…”

Section: Introductionmentioning

confidence: 99%

Polymorphism of Dopamine Receptor D4 Exon I Corresponding Region in Chicken

et al. 2004

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“…Increased aggression after the mixing of unacquainted animals affects production parameters, as well as animal health and welfare (Sherritt et al, 1974;Tan et al, 1991;Stookey and Gonyou, 1994;van Erp-van der Kooij et al, 2000;Asher et al, 2009;Cañon Jones et al, 2010). With the help of network analysis it becomes possible to determine the development of aggression at three repeated rehousing and mixing events and to characterise the group structure with general network properties.…”

Section: Discussionmentioning

confidence: 99%