Arellano, P.ER., Pijoan, C., Jacobson, L.D., Algers, B. 1992. Stereotyped behaviour, social interactions and suckling pattern of pigs housed in groups of in single crates. Appl. Anim. Beh. Sci. 35, 157-166
Broom, D.M., Mendl, M.T., Zanella, A.J. 2010. A comparison of the welfare of sows in different housing conditions. Anim. Sci., 61, 369-385.
Brunberg, E.I., Rodenburg, T.B., Rydhmer, L., Kjaer, J.B., Jensen, P., Keeling, L.J. 2016. Omnivores going astray: a review and new synthesis of abnormal behavior in pigs and laying hens. Front. Vet. Sci. 3, 57.
Böe, K. 1993. The effect of age at weaning and post-weaning environment on the behavior of pigs. Acta Agri. Scand. – Section A. 43, 173-180.
Colson, V., Orgeur, P, Foury, A. , Mormede, P. 2006. Consequenses of weaning piglets at 21 and 28 days of growth, behavior and hormonal responses. Appl. Anim. Behav. Sci. 98, 70-88.
Damm, B.I., Lisborg, L., Vestergaard, K.S., Vanicek, J., 2003. Nest-building, behavioural disturbances and heart rate in farrowing sows kept in crates and Schmid pens. Livest. Prod. Sci., 80, 175-187
Dokmanovic, M., Ivanovic, J., Janjic, J., Boskovic, M., Laudanovic, M., Pantic, S. , Baltic, M.Z. 2017. Effect of lairage time, behaiour and gender on stress and meat qualityparameters in pigs. Anim. Sci. J. 88, 500-506
EFSA (European Food Safety Authority). 2007. Scientific Opinion of the Panel on Animal Health and Welfare on a request from the Commission on Animal health and welfare aspects of different housing and husbandry systems for adult breeding boars, pregnant, farrowing sows and unweaned piglets. The EFSA Journal 572, 1-13
EFSA (European Food Safety Authority). 2019. Hazard identification for pigs at slaughter and during on-farm killing. EFSA Supporting publication 2019:EN-1684. 10 pp.
EFSA AHAW Panel (EFSA Panel on Animal Health and Welfare), Nielsen SS,
Alvarez J., Bicout D.J., Calistri P., Depner K., Drewe J.A., Garin-Bastuji B., Gonzales Rojas J.L., Gortazar, C., Schmidt C., Michel V., Miranda Chueca M.A., Roberts H.C., Sihvonen L.H., Spoolder H., Stahl K., Viltrop A., Winckler C., Candiani D., Fabris C., Van der Stede Y., Velarde A. 2020. Scientific Opinion on the welfare of pigs at slaughter. EFSA Journal 2020;18(6):6148, 113 pp.
EMA Committee for Medicinal Products for Veterinary Use (CVMP) and EFSA Panel on Biological Hazards (BIOHAZ). 2016. EMA and EFSA Joint Scientific Opinion on measures to reduce the need to use antimicrobial agents in animal husbandry in the European Union, and the resulting impacts on food safety (RONAFA). 15, 1-245
Geverink, N.A., Engel, B., Lmbooij, E., Wiegant, V.M. 1996. Observations on behaviour and skin damage of slaughter pigs and treatment during lairage. Appl. Anim. Beh. Sci, 50, 1-13.
Hay, M., Rue, J., Sansac, C., Brunel, G., Prunier, A. 2004. Long-term detrimental effects of tooth clipping or grinding in piglets: a histolological approach. Anim. Welf. 13, 1-6
Hemsworth, P.H., Barnett, J.L., Hansen, C., Winfeld, C.G. 1986. Effects of social environment on welfare status and sexual behaviour of female pigs. II. Effects of space allowance. Appl. Anim. Beh. Sci., 16, 259-267.
Jensen, P. Hur mår maten?, 2012, Natur & Kultur.
Jarvis, S., Lawrence, A. B., McLean, K. A., Deans, L. A., Chirnside, J., Calvert, S. K. 1997. The effect of environment on behavioural activity, ACTH, b-endorphin and cortisol in pre-farrowing gilts. Anim. Sci., 65, 465-472.
Jarvis, S., D’Eath, R. B., Robson, S. K., Lawrence, A. B. 2006, The effect of confinement during lactation on the hypothalamic-pituitary-adrenal axis and behaviour of primiparous sows. Physiol. Behav., 87, 345-352.
Llamas Moya, S., Boyle, L.A., Lynch, P.B., Arkins, S. 2006. Influence of teeth resection on the skin temperature and acute phase response in newborn piglets. Anim. Welf. 15, 1-7
Lemel, J., Truvé, J., Söderberg, B. 2003. Variation in ranging and activity behaviour of European wild boar Sus scrofa in Sweden. Wildl. Biol. 9, 29-36.
Lawrence, A. B., Petherick, J. C., McLean, K. A., Deans, L. A., Chirnside, J., Vaughan, A., Clutton, E., Terlouw, E. M. C. 1994. The effect of environment on behaviour, plasma cortisol and prolactin in parturient sows. Appl. Anim. Behav. Sci., 39, 313-330.
Mason, S.P., Jarvis, S., Lawrence, A.B. 2003. Individual differences in responses of piglets to weaning at different ages. Appl. Anim. Beh. Sci. 80, 117-132.
Moinard, C., Mendl, M., Nicol, C.J., Green, L.E. 2003. A case control study of on-farm risk factors for tail biting in pigs. Appl. Anim. Behav. Sci. 81, 333-355.
Moeser, A.J., Ryan, K.A., Nighot, P.K., Bligslager, A.T. 2007. Gastrointestinal dysfunction induced by early weaning is attenuated by delayed weaning and mast cell blockade in pigs. Am. J. Phys. 293, 413-421.
Pearce, G.P. 1993. The effect of space restriction and provision of toys during rearing on the behaviour, productivity and physiology of male pigs. Appl. Anim. Beh. Sci. 36, 11-28.
Presto, M.H., Andersson, H.K., Folestam, S., Lindberg, J.E. 2008. Activity behaviour and social interactions of pigs raised outdoors and indoors. Arch. Anim. Breed. 51, 338-350
Prunier, A., Bonneau, M., von Borell, E.H., Cinotti, S., Gunn, M., Fredriksen, B., Giersing, M., Morton, D.B., Tuyttens, F.A.M., Velarde, A. 2006. A review of the welfare consequences of surgical castration in piglets and the evaluation of non-surgical methods. Anim. Welf., 15, 277-289.
Rydhmer, L., Zamaratskaia, G., Andersson, H.K., Algers, B., Guillemet, R., Lundström, K. 2006. Aggressive and sexual behaviour of growing and finishing pigs reared in groups, without castration. Acta Agriculturae Scand Section A. 56, 109-119
SLUs vetenskapliga råd för djurskydd. 2019.Yttrande från SLUs vetenskapliga råd för djurskydd om djurskydd inom grisuppfödning. SLU.scaw2018.2.6-16
Stern, S & Andresen, N. 2003. Performance, site preferences, foraging and excretory behavior in relation to feed allowance of growing pigs on pasture. Livestock Production Science. 79, 257-265
Stolba, A., Wood-Gush, D.G.M. 1989. The behaviour of pigs in a semi-natural environment. Anim. Prod. 48, 419-425.
Sutherland, M.A., Bryer, P.J., McGlone, J.J. 2008. Tail docking in pigs: acute physiological and behavioural responses. Animal, 2, 292-297.
Tallet, C., Rakotomahandry, M., Herlemont, S., Prunier, A. 2019. Evidence of pain, stress and fear of humans during tail docking and the next four weeks in piglets (Sus scrofa domesticus). Front. Vet. Sci.
Taylor, A.A., Weary, D.M. 2000. Vocal responses of piglets to castration: Identifying procedural sources of pain. Appl. Anim. Beh. Sci. 70, 17-26.
Vermeer, H., Dirx-Kuijken, N.C.P.M.M. & Bracke, M.B.M. 2017. Exploration Feeding and Higher Space Allocation Improve Welfare of Growing-Finishing Pigs. Anim. 7, 36.
Wallgren, T., Larsen, A., Lundeheim, N., Westin, R., Gunnarsson, S. Implication and impact of straw provision on behaviour, lesions and pen hygiene on commercial farms rearing undocked pigs. Appl. Anim. Beh. Sci., 210, 26-37.
Wallgren, P. Belák, K., Ehlorsson, C.-J., Bergström, G., Lindberg, M., Fossum, C., Allan, G.M., Robertsson, J.Å. 2007. Postweaning multisystemic wasting syndrome (PMWS) in Sweden from an exotic to an endemic disease. Vet. Quart. 29, 122-137.
Wan de Weerd, H.A., Docking, C.M., Day, J.E.L., Edwards, S.A. 2005. The development of harmful social behaviour in pigs with intact tails and different enrichment backgrounds in two housing systems. J. Anim. Sci., 80, 289-298.
Wariss, P.D., Brown,S.N.,Edwards, J.E.,Knowles, T.G. 2010. Effect of lairage timeon levelsof stressandmeat quality in pigs. Anim. Sci. 66,
Weary, D.M. & Fraser, D. 1997. Vocal response of piglets to weaning: effect of piglet age. Appl. Anim. Beh. Sci. 54, 153-160.
Westin, R., Hultgren, J., Algers, B. 2015. Strategic use of straw increases nest building in loose housed farrowing sows. Appl. Anim. Beh. Sci. 166, 63-67.
Westin, R., Holmgren, N., Hultgren, J., Algers, B. 2014. Large quantities of straw at farrowing prevents bruising and increases weight gain in piglets. Prev. Vet. Med., 115, 181-190.
Westin, R., Holmgren, N., Hultgren, J., Ortman, K., Linder, A., Algers, B. 2015. Post-mortem findings and piglet mortality in relation to strategic use of straw at farrowing. Prev. Vet. Med. 119, 252-152.
Wischner, D., Kemper, N., Krieter, J. 2009. Nest-building behaviour in sows and consequences for pig husbandry. Livest. Sci., 124, 1-8.