Xiao, D., Feng, A. and Liu, J. (2019) “Detection and tracking of pigs in natural environments based on video analysis”, International Journal of Agricultural and Biological Engineering, 12(4), pp. 116–126. Available at: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/4591 (Accessed: 27 February 2026).