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. 2018 May 21;454:1–10. doi: 10.1016/j.jtbi.2018.05.017

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Fig. 4 — Local live pig populations and their daily consumptions from January 2004 to May 2017 in Hong Kong. Purple line represents the annual live pig populations, connected by their reported and estimated numbers, which are depicted in filled and hollow circles respectively (N_p). Violet red line and dots represent the daily local live pig consumptions (ν_pN_p). Vertical grey dashed line denotes the time when the pig rearing license surrendering policy was implemented in Hong Kong. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)