16 citations as recorded by crossref.

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2. Welfare assessment of Krškopolje pigs reared in different production systems M. Čandek-Potokar et al. https://doi.org/10.1016/j.anopes.2022.100021
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4. A Machine Learning-based Study of Factors and Predictions of the Future Activity Index of Pigs C. Cho et al. https://doi.org/10.14801/jkiit.2024.22.4.121
5. Effects of dietary roughage on organic pig performance, behaviour and antioxidants accretion in perirenal adipose tissue I. Argemí-Armengol et al. https://doi.org/10.1016/j.livsci.2020.104255
6. Behavioural complexity in fattening pigs I. Video-based validation of a novel welfare indicator according to varying intensity of housing conditions C. Raudies et al. https://doi.org/10.1016/j.applanim.2025.106605
7. 64. An overview of leg health, welfare, and sustainability in organic pig farms L. Pinaqui et al. https://doi.org/10.1016/j.anscip.2026.03.065
8. Health and welfare in organic livestock production systems—a systematic mapping of current knowledge M. Åkerfeldt et al. https://doi.org/10.1007/s13165-020-00334-y
9. Teaming up for welfare: a cross-institute approach to identify robust indicators of emotion in pigs I. Reimert et al. https://doi.org/10.1016/j.animal.2026.101871
10. Can a Digital Application for Animal Welfare Self-Assessments by Farmers Help Improve the Welfare of Free-Range and Organic Pigs? E. Graat et al. https://doi.org/10.3390/ani14233374
11. Impact of forage feeding and grazing on behavior, health, and performance of pigs F. Klevenhusen et al. https://doi.org/10.1016/j.livsci.2026.105901
12. Behavioural complexity in fattening pigs II. Accelerometer-based validation of a novel welfare indicator with potential for automation M. Knoll et al. https://doi.org/10.1016/j.applanim.2025.106606
13. Risk factors for contacts between wild boar and outdoor pigs in Switzerland and investigations on potential Brucella suis spill-over N. Wu et al. https://doi.org/10.1186/1746-6148-8-116
14. Health and performance of fattening pigs reared in grassland and agroforestry systems in a temperate maritime climate S. Buijs et al. https://doi.org/10.1016/j.animal.2025.101616
15. Pig Welfare and Productivity in Selected Alternative Systems. A Niche Market for Pork M. Sońta et al. https://doi.org/10.2478/aoas-2025-0035
16. Enhancing the outdoor environment: Behavioural differences between growing pigs kept in agroforestry and grassland systems as modulated by weather and time S. Buijs et al. https://doi.org/10.1016/j.applanim.2026.107090