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Mixing of unfamiliar pigs is common practice in intensive pig husbandry. Since pigs maintain a dominance hierarchy, mixing often leads to vigorous fighting. Apart from the negative impact that fighting has on welfare, there is evidence that the social stress associated with fighting suppresses immune function. In the present experiment, we investigated the impact of mixing on specific long-term immune...
Ruis, M. A. W., J. H. A. Te Brake, B. Engel, E. D. Ekkel, W. G. Buist, H. J. Blokhuis, J. M. Koolhaas. The circadian rhythm of salivary cortisol in growing pigs: effects of age, gender and stress. Physiol Behav 62(3) 623-630, 1997.-This experiment was designed to examine circadian rhythmicity of cortisol in saliva of growing pigs, in relation to age, gender, and (time of) stressor application. Additionally,...
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