This study aimed to estimate the profit contributions and reasonable distribution ratios of feed production, pig farming, and slaughtering & meat processing, which are the three core segments, across the entire hog industry chain under different scenarios. The Shapley value method is employed to construct a profit distribution model for the full hog industry chain to reveal the dynamic patterns of interest changes among stakeholders in the context of price fluctuations. The results show that: 1) Industry chain integration helps to stabilize returns and improve risk resistance. After the integration of the whole industry chain, the profits of normal hog price, high hog price and low hog price increased by 22.78%, 95.78% and 67.65% respectively. 2) Hog farming is the most sensitive to the fluctuation of market price, which changes from a loss of 6.70 billion yuan under low hog price to a profit of 13.02 billion yuan under high hog prices. 3) The whole industry chain can release the profits of high value-added segments and enhance their value-added potential, while the cost-saving segments have a relatively limited response. Under different circumstances, the profit increase before and after the cooperation of slaughtering and meat link is the highest, the highest is 1 958.35%, and the lowest is 230.32%; However, the feed production link only realizes the profit increase in the year of high pig price, and the rest of the years all show negative growth. Based on these findings, this study proposes the following policy recommendations:Improving the benefit distribution mechanism of the industry chain and optimize the mode of cooperation, strengthening the financial support system and enhance the risk-resistant ability of enterprises, promoting the empowerment of digital technology to promote the efficient synergy of the industry chain, strengthening the government’s macro-control and policy guidance to stabilize the market expectations, and focusing on the construction of a matrix of high-value-added products to promote the value chain to the deeper extension depth.
设生猪全产业链由以下3个核心环节构成,即n=3:饲料生产环节(A),主要包括饲料的研发、生产与销售;生猪养殖环节(B),涉及仔猪繁育、饲养管理、疫病防控等;屠宰肉食环节(C),涵盖屠宰加工、冷链运输、市场销售等。设定对策函数,表示合作子集 S 所能创造的总效益,表示联盟中除S以外其他人的参与贡献,表示联盟中的元素个数,为加权因子,在联盟中成员i针对其可能参与的所有联盟做出贡献的加权平均值(即期望值),便是该成员的Shapley值。
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