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With the implementation of fiscal system reform policies such as government procurement, revenue and expenditure classification and comprehensive department budget, financial performance evaluation has become a highly concerned link of listed feed companies. Taking 20 listed feed companies on the main board of Shanghai stock market, Shenzhen stock market and GEM as research object, the paper selects six primary indicators such as profitability, operating capacity and solvency and 18 secondary indicators such as profit growth rate, return on total assets and return on total assets to construct the financial performance evaluation index system of listed feed companies. In the paper, the effectiveness index is obtained by AHP model screening, the financial performance of listed feed companies is evaluated by DEA model. The results show that the comprehensive efficiency of financial performance of sample listed feed companies is at general level. Financial management, technology and scale factors all have a great impact on financial performance, and company scale has a relatively large impact. The research indicates that suggestions such as emphasizing fine production, constructing scientific fund management system and rationalizing debt planning can provide reference for improving financial management level of listed feed companies. [ABSTRACT FROM AUTHOR]

Under the background of economic system reform and the continuous transformation of financial functions, the implementation of financial fine management has become the mainstream direction of reducing cost, increasing efficiency and sustainable development of feed enterprises. The paper takes the t-3 financial data of 20 feed listed enterprises in Shenzhen and Shanghai in 2020 as the research sample to explore the applicability of PCA-SVM model to financial fine management of feed enterprises. It is found that PCA-SVM model effectively integrates the advantages of PCA and SVM model, eliminates the linear correlation of sample data, reduces dimension and significantly enhances the classification ability and generalization of financial fine management of feed enterprises. And PCA-SVM model has good applicability for measuring the financial fine management level of high-dimensional data and small sample feed enterprises, which can provide reference for financial managers. Therefore, feed enterprises should strengthen the application of modern information network technology, improve the technology embedding system, strengthen the whole process control and improve the application level of PCA-SVM model in financial fine management. [ABSTRACT FROM AUTHOR]