Bracke, M. B. M.: Modelling of animal welfare: The development of a decision support system to assess the welfare status of pregnant sows, Doctoral thesis, Wageningen University, Wageningen, 158 pp.,
https://edepot.wur.nl/196942 (last access: 3 July 2026), 2001.
Bracke, M. B. M.: RICHPIG: a semantic model to assess enrichment materials for pigs, Anim. Welfare, 17, 289–304, 2008.
Bracke, M. B. M., Metz, J., Dijkhuizen, A. A., and Spruijt, B. M.: Development of a decision support system for assessing farm animal welfare in relation to husbandry systems: Strategy and prototype, J. Agr. Environ. Ethic., 14, 321–337, 2001.
Bracke, M. B. M., Spruijt, B. M., Metz, J., and Schouten, W.: Decision support system for overall welfare assessment in pregnant sows A: Model structure and weighting procedure, J. Anim. Sci., 80, 1819–1834, 2002a.
Bracke, M. B. M., Metz, J. H. M., Spruijt, B. M., and Schouten, W. G. P.: Decision support system for overall welfare assessment in pregnant sows B: validation by expert opinion, J. Anim. Sci., 80, 1835–1845, https://doi.org/10.2527/2002.8071835x, 2002b.
Bracke, M. B. M., Hulsegge, B., Keeling, L., and Blokhuis, H. J.: Decision support system with semantic model to assess the risk of tail biting in pigs 1. Modelling, Appl. Anim. Behav. Sci., 87, 31–44, https://doi.org/10.1016/j.applanim.2003.12.005, 2004a.
Bracke, M. B. M., Hulsegge, B., Keeling, L., and Blokhuis, H. J.: Decision support system with semantic model to assess the risk of tail biting in pigs 2. Validation, Appl. Anim. Behav. Sci., 87, 45–54, https://doi.org/10.1016/j.applanim.2003.12.006, 2004b.
Bracke, M. B. M., Zonderland, J. J., Lenskens, P., Schouten, W. G., Vermeer, H., Spoolder, H. A., Hendriks, H. J., and Hopster, H.: Formalised review of environmental enrichment for pigs in relation to political decision making, Appl. Anim. Behav. Sci., 98, 165–182, https://doi.org/10.1016/j.applanim.2005.08.021, 2006.
Bracke, M. B. M., Zonderland, J. J., and Bleumer, E. J.: Expert judgement on enrichment materials for pigs validates preliminary RICHPIG model, Appl. Anim. Behav. Sci., 104, 1–13, https://doi.org/10.1016/j.applanim.2006.05.005, 2007.
Broom, D. M. and Johnson, K. G.: Stress and animal welfare, Chapman & Hall animal behaviour series, Chapman & Hall, London, New York, 211, https://doi.org/10.1007/978-3-030-32153-6, 1993.
Buller, H., Blokhuis, H., Jensen, P., and Keeling, L.: Towards farm animal welfare and sustainability, Animals, 8, https://doi.org/10.3390/ani8060081, 2018.
Cornelissen, J., Ursinus, W. W. Schepers, F., Groot Koerkamp, P., and van Dixhoorn, I.: Brief of requirements of the dairy cow, Wageningen Livestock Research, Wageningen, 264, 44 pp., ISSN 1570-8616, 2009.
Dawkins, M. S.: Behavioural deprivation: A central problem in animal welfare, Appl. Anim. Behav. Sci., 20, 209–225, https://doi.org/10.1016/0168-1591(88)90047-0, 1988.
EFSA: Scientific Opinion on welfare aspects of the use of perches for laying hens, EFSA J., 13, https://doi.org/10.2903/j.efsa.2015.4131, 2015.
European Commission: Eurobarometer shows how important Animal Welfare is for Europeans: Eurobarometer,
https://ec.europa.eu/commission/presscorner/detail/en/IP_23_4951, last access: 2 November 2023.
Folkedal, O., Pettersen, J. M., Bracke, M. B., Stien, L. H., Nilsson, J., Martins, C., Breck, O., Midtlyng, P. J., and Kristiansen, T.: On-farm evaluation of the Salmon Welfare Index Model (SWIM 1.0): theoretical and practical considerations, Anim. Welfare, 25, 135–149, https://doi.org/10.7120/09627286.25.1.135, 2016.
Fraser, D., Weary, D. M., Pajor, E. A., and Milligan, B. N.: A scientific conception of animal welfare that reflects ethical concerns, Anim. Welfare, 6, 187–205, https://doi.org/10.1017/S0962728600019795, 1997.
Graves, H. B.: Behavior and ecology of wild and feral swine (
Sus scrofa), J. Anim. Sci., 58, 482–492, https://doi.org/10.2527/jas1984.582482x, 1984.
Keane, M. P., McGee, M., O'Riordan, E. G., Kelly, A. K., and Earley, B.: Effect of floor type on performance, lying time and dirt scores of finishing beef cattle: A meta-analysis, Livest. Sci., 212, 57–60, https://doi.org/10.1016/j.livsci.2018.03.012, 2018.
Mol, R. M. de, Schouten, W., Evers, E., Drost, H., Houwers, H., and Smits, A. C.: A computer model for welfare assessment of poultry production systems for laying hens, NJAS, 54, 157–168, https://doi.org/10.1016/S1573-5214(06)80019-9, 2006.
Muff, S., Nilsen, E. B., O'Hara, R. B., and Nater, C. R.: Rewriting results sections in the language of evidence, Trends Ecol. Evol., 37, 203–210, https://doi.org/10.1016/j.tree.2021.10.009, 2022.
Munafò, M. R., Nosek, B. A., Bishop, D. V. M., Button, K. S., Chambers, C. D., Du Sert, N. P., Simonsohn, U., Wagenmakers, E.-J., Ware, J. J., and Ioannidis, J. P. A.: A manifesto for reproducible science, Nat. Hum. Behav., 1, 21, https://doi.org/10.1038/s41562-016-0021, 2017.
Muñoz-Tamayo, R., Nielsen, B. L., Gagaoua, M., Gondret, F., Krause, E. T., Morgavi, D. P., Olsson, I., Pastell, M., Taghipoor, M., Tedeschi, L., Veissier, I., and Nawroth, C.: Seven steps to enhance Open Science practices in animal science, PNAS Nexus, 1, pgac106, https://doi.org/10.1093/pnasnexus/pgac106, 2022.
Open Science Collaboration: Estimating the reproducibility of psychological science, Science, 349, p.aac4716, https://doi.org/10.1126/science.aac4716, 2015.
Page, M. J., McKenzie, J. E., Bossuyt, P. M., Boutron, I., Hoffmann, T. C., Mulrow, C. D., Shamseer, L., Tetzlaff, J. M., Akl, E. A., Brennan, S. E., Chou, R., Glanville, J., Grimshaw, J. M., Hróbjartsson, A., Lalu, M. M., Li, T., Loder, E. W., Mayo-Wilson, E., McDonald, S., McGuinness, L. A., Stewart, L. A., Thomas, J., Tricco, A. C., Welch, V. A., Whiting, P., and Moher, D.: The PRISMA 2020 statement: An updated guideline for reporting systematic reviews, Int. J. Surg., 88, 105906, https://doi.org/10.1016/j.ijsu.2021.105906, 2021.
Pettersen, J. M., Bracke, M. B. M., Midtlyng, P. J., Folkedal, O., Stien, L. H., Steffenak, H., and Kristiansen, T. S.: Salmon welfare index model 2.0: an extended model for overall welfare assessment of caged Atlantic salmon, based on a review of selected welfare indicators and intended for fish health professionals, Rev. Aquacult., 6, 162–179, https://doi.org/10.1111/raq.12039, 2014.
Rishe, N.: Database design: the semantic modeling approach, McGraw-Hill, Inc., ISBN 0-07-052955-8, 1992.
Shimmura, T., Bracke, M. B. M., Mol, R. M. de, Hirahara, S., Uetake, K., and Tanaka, T.: Overall welfare assessment of laying hens: comparing science-based, environment-based and animal-based assessments, Anim. Sci. J., 82, 150–160, https://doi.org/10.1111/j.1740-0929.2010.00834.x, 2011.
Stien, L. H., Bracke, M. B. M., Folkedal, O., Nilsson, J., Oppedal, F., Torgersen, T., Kittilsen, S., Midtlyng, P. J., Vindas, M. A., Øverli, Ø., and Kristiansen, T. S.: Salmon Welfare Index Model (SWIM 1.0): a semantic model for overall welfare assessment of caged Atlantic salmon: review of the selected welfare indicators and model presentation, Rev. Aquacult., 5, 33–57, https://doi.org/10.1111/j.1753-5131.2012.01083.x, 2013.
Tschirren, L., Bachmann, D., Güler, A. C., Blaser, O., Rhyner, N., Seitz, A., Zbinden, E., Wahli, T., Segner, H., and Refardt, D.: MyFishCheck: A model to assess fish welfare in aquaculture, Animals, 11, https://doi.org/10.3390/ani11010145, 2021.
Ursinus, W. W., Schepers, F., Mol, R. M. de, Bracke, M. B. M., Metz, J., and Groot Koerkamp, P.: COWEL: a decision support system to assess welfare of husbandry systems for dairy cattle, Anim. Welfare, 18, 545–552, 2009.
van Staaveren, N., Ellis, J., Baes, C. F., and Harlander-Matauschek, A.: A meta-analysis on the effect of environmental enrichment on feather pecking and feather damage in laying hens, Poult. Sci., 100, 397–411, https://doi.org/10.1016/j.psj.2020.11.006, 2021.
Webb, L. E., Veenhoven, R., Harfeld, J. L., and Jensen, M. B.: What is animal happiness?, Ann. N.Y. Acad. Sci., 1438, 62–76, https://doi.org/10.1111/nyas.13983, 2019.
Wiepkema, P. R.: Behavioural aspects of stress, in: Biology of Stress in Farm Animals: An Integrative Approach, Martinus Nijhoff, Dordrecht, the Netherlands, 113–133, https://doi.org/10.1007/978-94-009-3339-2_9, 1987.
Willeberg, P.: Animal welfare studies: Epidemiological considerations, Proc. Meet. Soc. Vet. Epid. Prev. Med., London, United Kingdom, 76–82,
https://aeema.vet-alfort.fr/images/Documents/Ressources_en_%C3%A9pid%C3%A9miologie/Revue_%C3%A9pid%C3%A9miologie_et_sant%C3%A9_animale/Publications/1997/31.005.pdf (last access: 3 July 2026), 1991.
Zhang, C., Da Silva Torres, R., Christian Gansel, L., and Bracke, M. B. M.: Automated extraction of scientific statements for integrated assessment of animal welfare using Language models, Smart Agricultural Technology, 13, https://doi.org/10.1016/j.atech.2026.101814, 2026.
