Core Insights - The animal health sector experienced a decline of 0.24% on November 17, with Dayu Biological leading the drop [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Notable gainers included: - Qudongli (code: 920275) with a closing price of 10.68, up 5.12% [1] - *ST Lvkang (code: 002868) with a closing price of 42.57, up 5.01% [1] - Houfeng Holdings (code: 002141) with a closing price of 3.91, up 2.62% [1] - Major decliners included: - Dayu Biological (code: 920970) with a closing price of 8.70, down 3.87% [2] - Ruipu Biological (code: 300119) with a closing price of 20.61, down 2.92% [2] - Zhongmu Co., Ltd. (code: 600195) with a closing price of 7.94, down 1.98% [2] Capital Flow - The animal health sector saw a net outflow of 10.15 million yuan from institutional investors, while retail investors experienced a net outflow of 20.76 million yuan [2] - Conversely, speculative funds recorded a net inflow of 30.91 million yuan [2] Individual Stock Capital Flow - Notable capital flows included: - Biological Shares (code: 600201) with a net inflow of 12.08 million yuan from institutional investors [3] - Xianfeng Holdings (code: 002141) with a net inflow of 9.50 million yuan from institutional investors [3] - Ruipu Biological (code: 300119) with a net inflow of 1.05 million yuan from speculative funds [3] - Decliners in capital flow included: - *ST Lvkang (code: 002868) with a net outflow of 0.79 million yuan from institutional investors [3] - Hai Li Biological (code: 603718) with a net outflow of 2.82 million yuan from institutional investors [3]

Summary of Stock Buyback Activities on October 30 Core Insights - On October 30, a total of 26 companies announced 27 stock buyback-related updates, indicating a significant activity in the market [1] Group 1: New Buyback Proposals - 16 companies disclosed stock buyback proposals for the first time, with 6 companies proposing buyback amounts exceeding 10 million [1] - The highest proposed buyback amounts were from HeMai Co., Ltd. (up to 200 million), Sanli Shi (60 million), and Minsheng Health (50.544 million) [1] Group 2: Approved Buyback Plans - 2 companies had their buyback plans approved by shareholders, with the highest proposed amounts from Dayu Biological (up to 5.596 million) and New Weiling (20,200) [1] Group 3: Buyback Implementation Progress - 2 companies reported on the implementation of their buyback plans, with the highest amounts from Guyue Longshan (186 million) and Jiayi Co. (99.0246 million) [1] Group 4: Completed Buybacks - 5 companies completed buybacks exceeding 10 million, with the highest completed amounts from Huafa Co. (310 million), Shenzhou Digital (203 million), and Ruoyu Chen (200 million) [1] - As of October 30, a total of 1711 buyback plans have been completed this year, involving 1281 companies, with 330 companies completing buybacks exceeding 100 million [1] - The leading companies in completed buyback amounts include Kweichow Moutai (6 billion), Muyuan Foods (3 billion), and COSCO Shipping Holdings (2.146 billion) [1]

Core Viewpoint - The animal health sector experienced a decline of 0.36% on October 22, with Dayu Biological leading the drop. The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1]. Stock Performance Summary - The following stocks in the animal health sector showed varied performance: - Shengwu Co. (600201) closed at 10.78, up 0.56% with a trading volume of 327,000 shares and a turnover of 351 million yuan - Ruipu Biological (300119) closed at 21.50, up 0.51% with a trading volume of 73,200 shares and a turnover of 158 million yuan - Haili Biological (603718) closed at 7.04, up 0.28% with a trading volume of 44,200 shares and a turnover of 31.17 million yuan - Dayu Biological (920970) closed at 9.46, down 1.25% with a trading volume of 20,800 shares and a turnover of 19.89 million yuan - ST Lvkang (002868) closed at 28.49, down 1.18% with a trading volume of 9,904 shares and a turnover of 28.26 million yuan [1][2]. Capital Flow Analysis - The animal health sector saw a net outflow of 47.45 million yuan from institutional investors, while retail investors contributed a net inflow of 36.66 million yuan. Speculative funds recorded a net inflow of 10.80 million yuan [2][3]. - Specific stock capital flows included: - Shunlian Biological (688098) had a net inflow of 6.94 million yuan from institutional investors but a net outflow of 12.58 million yuan from retail investors - Ruipu Biological (300119) experienced a net outflow of 2.94 million yuan from institutional investors, with a significant net inflow of 13.74 million yuan from speculative funds [3].

Core Viewpoint - Dayu Biological is increasing its investment in pig farming despite ongoing pressure in the pig breeding industry, aiming to extend its industrial chain and stabilize its feed sales channels [2][4]. Company Summary - Dayu Biological's wholly-owned subsidiary, Shanxi Dayu Animal Husbandry Co., Ltd., plans to invest 50 million yuan in its other subsidiary, Puxian Dayu Smart Animal Husbandry Industry Development Co., Ltd., raising its registered capital from 30 million yuan to 80 million yuan [2]. - The company primarily focuses on the research, production, and sales of feed additives, feed, and veterinary drugs, and has faced performance fluctuations since its listing on the Beijing Stock Exchange in 2022, recording its first loss in 2023 [2]. - Financial data shows Dayu Biological's revenue for 2022, 2023, and 2024 was 157 million yuan, 161 million yuan, and 123 million yuan respectively, with net profits of 18.15 million yuan, -2.09 million yuan, and -23.94 million yuan [2]. Industry Summary - The pig farming industry is undergoing structural changes, with a trend towards large-scale operations replacing smallholder farms, impacting Dayu Biological's sales of feed and additives [3]. - The company is adopting a "company + farmer" model to address challenges from the changing structure of downstream farming, having established a fully-owned subsidiary for pig farming in 2024 with an investment of 100 million yuan [3]. - As of August 2025, the national breeding sow inventory reached 40.38 million heads, indicating high production capacity, while pig prices remain low, affecting the profitability of many listed pig companies [4].

Core Viewpoint - The animal health sector experienced a rise of 0.98% on September 30, with *ST Lvkang leading the gains, while the overall market indices also showed positive movement [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3882.78, up 0.52% [1]. - The Shenzhen Component Index closed at 13526.51, up 0.35% [1]. - The animal health sector's individual stock performance is detailed in a table, highlighting various stocks' closing prices and percentage changes [1]. Group 2: Stock Performance - *ST Lvkang (002868) closed at 28.01, with a gain of 3.51% and a trading volume of 16,700 shares, amounting to approximately 46.61 million yuan [1]. - Other notable stocks include: - Biological Shares (600201) at 9.64, up 1.69% with a trading volume of 412,400 shares [1]. - Jinhe Biological (002688) at 6.69, up 1.67% with a trading volume of 150,600 shares [1]. - KQ Bio (688526) at 17.72, up 1.37% with a trading volume of 32,700 shares [1]. Group 3: Capital Flow - The animal health sector saw a net inflow of 3.40 million yuan from institutional investors, while retail investors experienced a net outflow of 28.01 million yuan [2][3]. - The detailed capital flow for individual stocks indicates varying levels of net inflow and outflow among different companies [3]. - For instance, Biological Shares (600201) had a net inflow of approximately 19.60 million yuan from institutional investors, while *ST Lvkang (002868) faced a net outflow of about 6.49 million yuan [3].

Core Insights - The animal health sector experienced a slight increase of 0.46% on September 29, with Shenlian Biological leading the gains [1] - The Shanghai Composite Index closed at 3862.53, up 0.9%, while the Shenzhen Component Index closed at 13479.43, up 2.05% [1] Stock Performance - Shenlian Biological (688098) closed at 10.59, up 1.92% with a trading volume of 68,700 shares and a turnover of 72.32 million yuan [1] - Other notable performers included: - Biological Shares (600201) at 9.48, up 1.50% with a turnover of 503 million yuan [1] - Pulaike (603566) at 13.78, up 1.03% with a turnover of 54.30 million yuan [1] - Zhongmu Shares (600195) at 7.12, up 0.85% with a turnover of 49.02 million yuan [1] Capital Flow - The animal health sector saw a net outflow of 7.69 million yuan from institutional investors, while retail investors contributed a net inflow of 8.08 million yuan [2] - The detailed capital flow for key stocks includes: - Shenlian Biological: net outflow of 5.50 million yuan from retail investors [3] - Biological Shares: net outflow of 7.67 million yuan from retail investors [3] - Pulaike: net outflow of 4.08 million yuan from retail investors [3]

Market Overview - On September 25, the animal health sector declined by 1.62% compared to the previous trading day, with the leading stock, Driveline, experiencing a drop of 4.04% [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] Stock Performance - The following stocks in the animal health sector showed notable declines: - Driveline (Code: 838275) closed at 9.50, down 4.04% with a trading volume of 19,300 lots [1] - Shunlian Bio (Code: 688098) closed at 10.43, down 3.43% with a trading volume of 76,300 lots [1] - Yongshun Bio (Code: 839729) closed at 9.74, down 2.89% with a trading volume of 20,800 lots [1] - Other notable declines include *ST Green Health (Code: 002868) down 2.39% and Shoufeng Holdings (Code: 002141) down 2.33% [1] Capital Flow - The animal health sector saw a net outflow of 113 million yuan from institutional investors, while retail investors experienced a net inflow of 61.16 million yuan [1] - The following stocks had significant capital flow: - Zhongmu Co. (Code: 600195) had a net inflow of 986,800 yuan from institutional investors [2] - Pulaike (Code: 603566) saw a net inflow of 764,200 yuan from retail investors [2] - *ST Green Health (Code: 002868) experienced a net outflow of 6.71 million yuan from institutional investors [2]

证券代码：871970 证券简称：大禹生物 公告编号：2025-118 山西大禹生物工程股份有限公司 对外投资设立全资孙公司并取得营业执照的公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连 带法律责任。 一、对外投资概述 （一）基本情况 2024 年 12 月 10 日，山西大禹生物工程股份有限公司（以下简称"公司"） 召开第三届董事会第十七次会议，审议通过了《关于开展新业务的议案》，具体 内容详见公司于 2024 年 12 月 11 日在北京证券交易所信息披露平台 (http://www.bse.cn/)上披露的《开展新业务公告》（公告编号：2024-057）。根据整 体战略发展规划，公司设立了全资子公司山西大禹畜牧有限公司（以下简称"大 禹畜牧"），在主营业务饲料、饲料添加剂之外，延伸产业链进行生猪养殖业务。 近日经公司总经理决定，在临汾市浮山县设立大禹畜牧的全资子公司浮山县 大禹智慧农牧产业发展有限公司，注册资本 2,000.00 万元，主营业务为生猪养殖。 目前公司已完成浮山县大禹智慧农牧产业发展有限公司 ...

Market Overview - On September 19, the animal health sector declined by 0.26% compared to the previous trading day, with the driving force leading the decline [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Notable stock movements included: - *ST Lvkang (002868): Closed at 27.56, up 4.99% with a trading volume of 38,500 shares and a turnover of 105 million yuan [1] - Kexin Biological (688526): Closed at 18.08, up 0.39% with a trading volume of 22,700 shares and a turnover of 40.94 million yuan [1] - Driving Force (838275): Closed at 10.50, down 4.11% with a trading volume of 21,200 shares and a turnover of 22.63 million yuan [2] Capital Flow - The animal health sector experienced a net outflow of 91.4 million yuan from institutional investors, while retail investors saw a net inflow of 70.15 million yuan [2] - The capital flow for individual stocks showed: - RuiPu Biological (300119): Net inflow of 16.56 million yuan from institutional investors, but a net outflow of 21.57 million yuan from retail investors [3] - *ST Lvkang (002868): Net inflow of 6.13 million yuan from institutional investors, with a net outflow of 4.21 million yuan from retail investors [3]

Market Overview - On September 18, the animal health sector declined by 0.77% compared to the previous trading day, with Huisheng Biological leading the decline [1] - The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1] Stock Performance - The following stocks in the animal health sector showed notable performance: - *ST Lvkang (002868): Closed at 26.25, up 5.00% with a trading volume of 3433 lots [1] - Shengbi Biological (600201): Closed at 66.8, down 2.39% with a trading volume of 55.74 million [1] - Ruipu Biological (300119): Closed at 22.06, unchanged with a trading volume of 111.3 million [1] - Other stocks such as Jinhai Biological (002688) and Shunlian Biological (688098) also experienced declines of 1.98% and 2.02% respectively [1][2] Capital Flow - The animal health sector experienced a net outflow of 126 million yuan from institutional investors, while retail investors saw a net inflow of 92.38 million yuan [2] - The following stocks had significant capital flow: - Ruipu Biological: Net inflow of 12.35 million yuan from institutional investors [3] - *ST Lvkang: Net outflow of 3.83 million yuan from institutional investors [3] - Jinhai Biological: Net outflow of 25.51 million yuan from institutional investors [3]