Andersen, IL, Andenaes, H, Boe, KE, Jensen, P, Bakken, M 2000. The effects of weight asymmetry and resource distribution on aggression in groups of unacquainted pigs. Applied Animal Behaviour Science 68, 107–120.
Apple, JK, Maxwell, CV, deRodas, B, Watson, HB, Johnson, ZB 2000. Effect of magnesium mica on performance and carcass quality of growing-finishing swine. Journal of Animal Science 78, 2135–2143.
Apple, JK, Kegley, EB, Maxwell, CV Jr, Rakes, LK, Galloway, D, Wistuba, TJ 2005. Effects of dietary magnesium and short duration transportation on stress response, postmortem muscle metabolism, and meat quality of finishing swine. Journal of Animal Science 83, 1633–1645.
Barnett, JL, Cronin, GM, McCallum, TH, Newman, EA 1993. Effects of pen size/shape and design on aggression when grouping unfamiliar adult pigs. Applied Animal Behaviour Science 36, 111–122.
Barnett, JL, Cronin, GM, McCallum, TH, Newman, EA, Hennessy, DP 1996. Effects of grouping unfamiliar adult pigs after dark, after treatment with amperozide and by suing pens with stalls, on aggression, skin lesions and plasma cortisol concentration. Applied Animal Behaviour Science 50, 121–133.
Blackshaw, JK 1981. Some behavioural-deviations in weaned domestic pigs – persistent inguinal nose thrusting, and tail and ear biting. Animal Production 33, 325–332.
Bolhuis, JE, Schouten, WGP, Schrama, JW, Wiegan, VM 2005. Individual coping characteristics, aggressiveness and fighting strategies in pigs. Animal Behaviour 69, 1085–1091.
Boyle, LA, Bjorklund, L 2007. Effects of fattening boars in mixed or single sex groups and split marketing on pig welfare. Animal Welfare 16, 259–262.
Breuer, K, Sutcliffe, MEM, Mercer, JT, Rance, KA, O'Connell, NE, Sneddon, IA, Edwards, SA 2005. Heritability of clinical tail-biting and its relation to performance traits. Livestock Production Science 93, 87–94.
Chaloupkova, H, Illmann, G, Bartos, L, Spinka, M 2007. The effect of pre-weaning housing on the play and agonistic behaviour of domestic pigs. Applied Animal Behaviour Science 103, 25–34.
Conte, S, Boyle, L, Lawlor, P, O'Connell, N 2010. Influence of within pen gender composition and weight variation on the welfare and growth performance of finishing pigs. Proceedings of the British Society of Animal Science and the Agricultural Research Forum, 12–14 April 2010, Belfast, Northern Ireland, p. 184.
Conte, S, O'Connell, NE, Lawlor, PG, Boyle, LA 2012. Effect of split marketing on the welfare, performance, and carcass traits of finishing pigs. Journal of Animal Science 90, 373–380.
Coudray, C, Rambeau, M, Feillet-Coudray, C, Gueux, E, Tressol, JC, Mazur, A, Rayssiguier, Y 2005. Study of magnesium bioavailability from ten organic and inorganic Mg salts in Mg-depleted rats using a stable isotope approach. Magnesium Research 18, 215–223.
Cronin, GM, Dunshea, FR, Butler, KL, McCauley, I, Barnett, JL, Hemsworth, PH 2003. The effects of immuno- and surgical-castration on the behaviour and consequently growth of group-housed, male finisher pigs. Applied Animal Behaviour Science 81, 111–126.
De Groot, J, Ruis, MAW, Scholten, JW, Koolhaas, JM, Boersma, WJA 2001. Long-term effects of social status on antiviral immunity in pigs. Physiology and Behaviour 73, 145–158.
De Jong, IC, Ekkel, ED, van de Burgwal, JA, Lambooij, E, Korte, SM, Ruis, MAW, Koolhaas, JM, Blokhuis, HJ 1998. Effects of straw bedding on physiological responses to stressors and behaviour in growing pigs. Physiology and Behaviour 64, 303–310.
De Jong, IC, Prelle, IT, van de Burgwal, JA, Lambooij, E, Mechiel Korte, S, Blokhuis, HJ, Koolhaas, JM 2000. Effects of environmental enrichment on behavioural responses to novelty, learning, and memory, and the circadian rhythm in cortisol in growing pigs. Physiology and Behaviour 68, 571–578.
D'Souza, DN, Warner, RD, Dunshea, FR, Leury, BJ 1999. Comparison of different dietary magnesium supplements on pork quality. Meat Science 51, 221–225.
D'Souza, DN, Warner, RD, Leury, BJ, Dunshea, FR 2000. The influence of dietary magnesium supplement type, and supplementation dose and duration, on pork quality and the incidence of PSE pork. Australian Journal of Agricultural Research 51, 185–189.
Edquist, LE, Einarsson, S, Larsson, K, Lundström, K 1980. Diurnal variations in peripheral plasma levels of testosterone, androstenone and cortisol in boars. Acta Veterinaria Scandinavica 21, 451–453.
Fabrega, E, Velarde, A, Cros, J, Gispert, M, Puarez, P, Tibau, J, Soler, J 2010. Effect of vaccination against gonadotrophin-releasing hormone, using Improvac®, on growth performance, body composition, behaviour and acute phase proteins. Livestock Science 132, 53–59.
Geverink, NA, Schouten, WGP, Gort, G, Wiegant, YM 2002. Individual differences in behavioural and physiological responses to restraint stress in pigs. Physiology and Behaviour 77, 451–457.
Giersing, M, Lundstrom, K, Andersson, A 2000. Social effects and boar taint: significance for production of slaughter boars (Sus scrofa). Journal of Animal Science 78, 296–305.
Hessing, MJC, Hagelso, AM, van Beck, JAM, Wiepkema, PR, Schouten, WGP, Krukow, R 1993. Individual behavioural characteristics in pigs. Applied Animal Behaviour Science 37, 285–295.
Hillman, D, Schrader, L, Mayer, C, Gygax, L 2008. Effects of weight, temperature and behaviour on the circadian rhythm of salivary cortisol in growing pigs. Animal 2, 405–409.
Izenwasser, SE, Garcia-Valdez, K, Kantak, KM 1986. Stimulant-like effects of magnesium on aggression in mice. Pharmacology Biochemistry and Behaviour 25, 1195–1200.
Kantak, KM 1988. Magnesium deficiency alters aggressive behavior and catecholamine function. Behavioural Neuroscience 102, 304–311.
Kietzmann, M, Jablonski, H 1985. On the blocking of stress by magnesium aspartate hydrochloride in the pig. Praktische Tierarzt 66, 328–335.
Kleuss, JW, Fledderus, J, Bikker, P, Llamas-Moya, S 2006. Influence of Aqua Calm on behaviour and gastric ulcers in fattening pigs – gastric ulcer and behaviour study. Schothorst Feed Research, Report no. 780, October 2006.
Koolhaas, JM, Korte, SM, de Boer, SF, Van der Vegt, BJ, van Reenen, CG, Hopster, H, De jong, IC, Ruis, MAW, Blokhuis, HJ 1999. Coping styles in animals: current status in behaviour and stress physiology. Neuroscience and Biobehavioural Reviews 23, 925–935.
Kuhn, G, Nowak, A, Otto, E, Albrecht, V, Gassmann, B, Sandner, E, Przybilski, H, Zahn, L 1981. Studies on the control of meat quality by special treatment of swine. 1. Effects of stress and preventative magnesium feeding on selected parameters of carcass value and blood serum. Archiv Fur Tierzucht 24, 217–225.
Peeters, E, Driessen, B, Geers, R 2006. Influence of supplemental magnesium, tryptophan, vitamin C, vitamin E, and herbs on stress responses and pork quality. Journal of Animal Science 84, 1827–1838.
Peeters, E, Neyt, A, Beckers, F, De Smet, S, Aubert, AE, Geers, R 2005. Influence of supplemental magnesium, tryptophan, vitamin C, and vitamin E on stress responses of pigs to vibration. Journal of Animal Science 83, 1568–1580.
Poletto, R, Meisel, RL, Richert, BT, Cheng, HW, Marchant-Forde, JN 2010a. Behavior and peripheral amine concentrations in relation to ractopamine feeding, sex, and social rank of finishing pigs. Journal of Animal Science 88, 1184–1194.
Poletto, R, Meisel, RL, Richert, BT, Cheng, H-W, Marchant-Forde, JN 2010b. Aggression in replacement grower and finisher gilts fed a short-term high-tryptophan diet and the effect of long-term human–animal interaction. Applied Animal Behaviour Science 122, 98–110.
Ruis, MAW, Te Brake, JHA, Engel, B, Dinand Ekkel, E, Buist, WG, Blokhuis, HJ, Koolhaas, JM 1997. The circadian rhythm of salivary cortisol in growing pigs: effects of age, gender and stress. Physiology and Behaviour 62, 623–630.
Rushen, J, Lawrence, AB, Terlouw, EM 1993. The motivational basis of stereotypies. In Stereotypic animal behaviour: Fundamentals and applications to welfare (ed. AB Lawrence and J Rushen), pp. 41–65. CAB International, Wallingford.
Rydhmer, L, Zamaratskaia, G, Andersson, HK, Algers, B, Lundstrom, K 2004. Problems with aggressive and sexual behaviour when rearing entire male pigs. In Proceedings of the 55th Annual Meeting of the European Association for Animal Production, Bled, Slovenia, p. 4.
Schrøder-Petersen, DL, Heiskanen, T, Ersboll, AK 2004. Tail-in-mouth behaviour in slaughter pigs, in relation to internal factors such as: age, size, gender, and motivational background. Acta Agriculturae Scandinavica Section A – Animal Science 54, 159–166.
Scott, K, Taylor, L, Gill, BP, Edwards, S 2006. Influence of different types of environmental enrichment on the behaviour of finishing pigs in two different housing systems 1. Hanging toy versus rootable substrate. Applied Animal Behaviour Science 99, 222–229.
Singewald, N, Sinner, C, Hetzenauer, A, Sarton, SB, Murch, H 2004. Magnesium-deficient diet alters depression- and anxiety-related behavior in mice – influence of desipramine and Hypericum perforatum extract. Neuropharmacology 47, 1189–1197.
Statham, P, Green, L, Bichard, M, Mendl, M 2009. Predicting tail-biting from behaviour of pigs prior to outbreaks. Applied Animal Behaviour Science 121, 157–164.
Stewart, CL, O'Connell, NE, Boyle, L 2008. Influence of access to straw provided in racks on the welfare of sows in large dynamic groups. Applied Animal Behaviour Science 112, 235–247.
Street, BR, Gonyou, HW 2008. Effects of housing finishing pigs in two group sizes and at two floor space allocations on production, health, behaviour, and physiological variables. Journal of Animal Science 86, 982–991.
Taylor, NR, Main, DCJ, Mendl, M, Edwards, SA 2010. Tail-biting: a new perspective. The Veterinary Journal 186, 137–147.
Turner, SP, Ewen, M, Rooke, JA, Edwards, SA 2000. The effect of space allowance on performance, aggression and immune competence of growing pigs house on straw deep-litter at difference group sizes. Livestock Production Science 66, 47–55.
Turner, SP, Farnworth, MJ, White, IMS, Brotherstone, S, Mendl, M, Knap, P, Penny, P, Lawrence, AB 2006. The accumulation of skin lesions and their use as a predictor of individual aggressiveness in pigs. Applied Animal Behaviour Science 96, 245–259.
Van de Weerd, HA, Docking, CM, Day, JEL, Avery, PJ, Edwards, SA 2003. A systematic approach towards developing environmental enrichment for pigs. Applied Animal Behaviour Science 84, 101–118.
Van de Weerd, HA, Docking, CM, Day, JEL, Breuer, K, Edwards, SA 2006. Effects of species-relevant environmental enrichment on the behaviour and productivity of finishing pigs. Applied Animal Behaviour Science 99, 230–247.
Wallgren, P, Lindalh, E 1996. The influence of tail biting on performance of fattening pigs. Acta Veterinaria Scandinavica 37, 453–460.
Wemelsfelder, F, Haskell, M, Mendl, MT, Calvert, S, Lawrence, AB 2000. Diversity of behaviour during novel object tests is reduced in pigs housed in substrate-impoverished conditions. Animal Behaviour 60, 385–394.