益生股份：控股股东、实际控制人曹积生质押1240万股

Group 1 - The core point of the article is that Yisheng Co., Ltd. announced a share pledge by its controlling shareholder, Cao Jisheng, involving 12.4 million shares, which represents 47.37% of his total holdings [1] - As of the announcement date, Cao Jisheng has pledged a total of approximately 214 million shares [1] - Yisheng Co., Ltd. reported its revenue composition for the first half of 2025, with chicken revenue accounting for 76.18%, pig revenue for 15.47%, agricultural equipment revenue for 5.48%, milk revenue for 1.72%, and other industries for 1.14% [1] Group 2 - The current market capitalization of Yisheng Co., Ltd. is 10.2 billion yuan [1] - The article also highlights the booming pet industry, which is valued at 300 billion yuan, indicating a significant growth opportunity for related companies [1]