List of publications

List of publications

228 List of publications Full papers De Groot, J., Ruis, M.A.W., Scholten, J.W., Koolhaas, J.M., Boersma, W.J.A. Long-term effects of social stress on anti-viral immunity in pigs. Physiol. Behav., in press. De Jong, I.C., Ekkel, E.D., van de Burgwal, J.A., Lambooij, E., Korte, S.M., Ruis, M.A.W., Koolhaas, J.M., Blokhuis, H.J., 1998. Effects of strawbedding on physiological responses to stressors and behavior in growing pigs. Physiol. Behav. 64: 303-310. Geverink, N.A., Ruis, M.A.W., Eisen, R., Lambooij, E., Blokhuis, H.J., Wiegant, V.M., 1999. The effect of shot biopsy on behavior, salivary cortisol, and heart rate in slaughter pigs. J. Anim. Sci. 77: 1614-1619. Koolhaas, J.M., Korte, S.M., de Boer, S.F., van der Vegt, B.J., van Reenen, C.G, Hopster, H., de Jong, I.C., Ruis, M.A., Blokhuis, H.J., 1999. Coping styles in animals: current status in behavior and stressphysiology. Neurosci. Biobehav. Rev. 23: 925-935. Koopmans, S.J., Mroz, Z., Dekker, R., Ruis, M.A.W. The effect of dietary composition (tryptophan:lnaa ratio) on insulin sensitivity, amino acid metabolism and nitrogen balance in pigs exposed to social stress. In preparation. Koopmans, S.J., Ruis, M.A.W., Dekker, R., Mroz, Z. Dietary composition (tryptophan:lnaa ratio) affects behaviour and the cortisol response in pigs exposed to social stress. In preparation. Ruis, M.A.W., Bayne, C.J., 1997. Effects of acute stress on blood clotting and yeast killing by phagocytes of rainbow trout. J. Aquat. Anim. Health 9: 190-195. Ruis, M.A.W., te Brake, J.H.A., Koolhaas, J.M., Blokhuis, H.J., 2000. The backtest as a possible tool to improve welfare of pigs after mixing. Improving health and welfare in animal production. EAAP publication No. 102, Wageningen Pers, pp. 17-22.

List of publications 229 Ruis, M.A.W., te Brake, J.H.A., Engel, B., Buist, W.G., Blokhuis, H.J., Koolhaas, J.M. Adaptation to social isolation: acute and long-term stress responses of growing gilts with different coping characteristics. Physiol. Behav., in press. Ruis, M.A.W., te Brake, J.H.A., Engel, B., Buist, W.G., Blokhuis, H.J., Koolhaas, J.M. Implications of coping characteristics and social status for welfare and production of paired growing gilts. Submitted. Ruis, M.A.W., te Brake, J.H.A., van de Burgwal, J.A., de Jong, I.C., Blokhuis, H.J., Koolhaas, J.M., 2000. Personalities in female domesticated pigs: behavioural and physiological indications. Appl. Anim. Behav. Sci. 66: 31-47. Ruis, M.A.W., te Brake, J.H.A., Engel, B., Ekkel, E.D., Buist, W.G., Blokhuis, H.J., Koolhaas, J.M., 1997. The circadian rhythm of salivary cortisol in growing pigs: effects of age, gender, and stress. Physiol. Behav. 62: 623-630. Ruis, M.A.W, te Brake, J.H.A., Buwalda, B., de Boer, S.F., Meerlo, P., Korte, S.M., Blokhuis, H.J., Koolhaas, J.M., 1999. Housing familiar male wildtype rats together reduces the long-term adverse behavioral and physiological effects of social defeat. Psychoneuroendocrinology 24: 285-300. Ruis, M.A.W., de Groot, J., te Brake, J.H.A., Ekkel, E.D., van de Burgwal, J.A., Erkens, J.H.F., Engel, B., Buist, W.G., Blokhuis, H.J., Koolhaas, J.M., 2001. Behavioural and physiological consequences of acute social defeat in growing gilts: effects of the social environment. Appl. Anim. Behav. Sci. 70: 201-225. Van Kalkeren, A.A., Ruis, M.A.W., Blokhuis, H.J., Koolhaas, J.M., Groot, J.A. In vitro intestinal macromolecular permeability is different between individually housed High Resistant and Low Resistant growing pigs. Submitted. Abstracts Brake, J.H.A. te, Ruis, M.A.W., Koolhaas, J.M., Blokhuis, H.J., 2000. Behavioural and physiological consequences of social defeat in rats and gilts: effects of the social environment. Book of Abstracts 51st Annual Meeting EAAP, The Hague, p. 201.

230 List of publications Brake, J.H.A. te, Ruis, M.A.W., Eisen, R., Lambooij, E., van de Burgwal, J.A., Fennema, J., 1998. Blood sampling in group-housed young pigs. Book of Abstracts 49th Annual Meeting EAAP, Warsaw, p. 151. De Groot, J., Ruis, M.A.W., Koolhaas, J.M., Scholte, J.W., Boersma, W.J.A., 2000. Social stress impairs induction of immunological memory in young pigs. Brain Behav. Immun, 14: 89-90. De Jong, I.C., Prelle, I.T., Ekkel, E.D., van de Burgwal, J.A., Lambooij, E., Korte, S.M., Ruis, M.A.W., Blokhuis, H.J., Koolhaas, J.M., 1999. Effects of environmental enrichment on behaviour and physiology of growing gilts. Proceedings of the 33rd Congress of the ISAE, Lillehammer, Norway, p. 58. De Jong, J.G., Ruis, M.A.W., Koolhaas, J.M., 2000. Social environment determines the long-term effects of social defeat. Program, abstracts & list of participants Int. Workshop Social Stress, Parma, Italy. Geverink, N.A., Ruis, M.A.W., Eisen, R., 1995. The effect of shot biopsy on the behaviour and physiology of pigs. ISAE UK Wintermeeting, London, UK. Ruis, M.A.W., 2000. Individual strategies and social stress in growing pigs. Programma & abstracts BCN AIO dagen. Ruis, M., te Brake, J., 1998. Sociale stress bij varkens. 36 e Congres Biotechnische Dagen, Lunteren, p. 25. Ruis, M.A.W., te Brake, J.H.A., Koolhaas, J.M., Blokhuis, H.J., 2000. The backtest as a possible tool to improve welfare of pigs after mixing. Book of Abstracts 51st Annual Meeting EAAP, The Hague, p. 177. Ruis, M.A.W., te Brake, J.H.A., van de Burgwal, J.A., Blokhuis, H.J., Koolhaas, J.M., 1998. The backtest performed at a very young age predicts the individual behavioural and physiological strategies of growing pigs. Proceedings of the 32nd Congress of the ISAE, Clermont-Ferrand, France, p. 64.

List of publications 231 Ruis, M.A.W, te Brake, J.H.A., Blokhuis, H.J., de Groot, J., van Milligen, F., Koolhaas, J.M., 1998. Een stressmodel: het effect van stress op weerstand van varkens tegen ziekte. Samenvattingen ID-DLO Wetenschapsdag (Biddinghuizen). Ruis, M.A.W., te Brake, J.H.A., Engel, B., Ekkel, E.D., Buist, W.G., Blokhuis, H.J., Koolhaas, J.M., 1997. The circadian rhythm of salivary cortisol in growing pigs: effects of age, gender and stress. Proceedings of the 31st Congress of the ISAE, Prague, Czech Republic, p. 213-214. Ruis, M.A.W., de Groot, J., te Brake, J.H.A., van de Burgwal, J.A., Erkens, J.H.F., Blokhuis, H.J., Koolhaas, J.M., 1999. Impact of individual and pair-housing following social defeat on behaviour and physiology of growing gilts. Proceedings of the 33rd Congress of the ISAE, Lillehammer, Norway, p. 64.