Xin Lang Cai Jing·2025-06-04 06:51Group 1 - The China Livestock Breeding Index (930707) has increased by 0.35% as of June 4, 2025, with significant gains in constituent stocks such as RuiPu Biotech (300119) up 5.75% and Brother Technology (002562) up 3.46% [1] - The Ministry of Agriculture and Rural Affairs reports that the breeding sow inventory has remained stable between 40 million and 41 million heads since May 2024, indicating a controlled growth in pig supply and stable pig prices [1] - Decreased feed costs and improved disease control have significantly lowered breeding costs, enhancing companies' ability to withstand cyclical fluctuations [1] Group 2 - The livestock ETF closely tracks the China Livestock Breeding Index, which includes listed companies involved in livestock feed, veterinary drugs, and livestock farming [2] - As of May 30, 2025, the top ten weighted stocks in the China Livestock Breeding Index account for 68.9% of the index, with major companies including Haida Group (002311) and Muyuan Foods (002714) [2]