Authors: Ruis, MAW de Groot, J Brake, JHAT Ekkel, ED van de Burgwal, JA Erkens, JHF Engel, B Buist, WG Blokhuis, HJ Koolhaas, JM

Citation: Maw. Ruis et al., Behavioural and physiological consequences of acute social defeat in growing gilts: effects of the social environment, APPL ANIM B, 70(3), 2001, pp. 201-225

Authors: van Erp-van der Kooij, E Kuijpers, AH Schrama, JW Ekkel, ED Tielen, MJM

Citation: E. Van Erp-van Der Kooij et al., Individual behavioural characteristics in pigs and their impact on production (vol 66, pg 171, 2000), APPL ANIM B, 67(1-2), 2000, pp. 165-166

Authors: van Erp-van der Kooij, E Kuijpers, AH Schrama, JW Ekkel, ED Tielen, MJM

Citation: E. Van Erp-van Der Kooij et al., Individual behavioural characteristics in pigs and their impact on production, APPL ANIM B, 66(3), 2000, pp. 171-185

Authors: Blokhuis, HJ Ekkel, ED Korte, SM Hopster, H van Reenen, CG

Citation: Hj. Blokhuis et al., Farm animal welfare research in interaction with society, VET Q, 22(4), 2000, pp. 217-222

Authors: Erp-van der Kooij, EV Kuijpers, AH Schrama, JW Ekkel, ED Tielen, MJM

Citation: Ev. Erp-van Der Kooij et al., Individual behavioural characteristics of pigs and their impact on production, TIJD DIERG, 125(21), 2000, pp. 649-652