【摘要】 使用Foxpro(2.5b),建立了猪鸡常用饲料成分及营养价值动态数据库管理系统。在此基础上对饲料成分及营养价值的变异性进行了初步研究。任何饲料成分及营养价值均具有变异性,但线性规划配方算法中没有考虑这种变异性。本文计算出了四川猪(31种原料)、鸡(19种饲料原料)常用饲料成分及营养价值的平均值、标准差及变异系数,作为该系统移植到饲料厂前的系统基底数据。更多还原

【Abstract】 With the Foxpro(2. 5b) software the dynamic DBMS of feedstuff content and/or for nutrient for swine and poultry was set up. Based on the dynamic DBMS feedstuff content and/or nutrient variablity was calculated and analyzed. Every kind of feedstuff content and/ or nutrient had nutrient variablity ,but the nutrient variablity information was unable to be taken into consideration with LP used to Calculate Ration formula- In this paper the math-matic means the standard deviations and the coeffcients of variability of feedstuff content and/or nutrient for swine and poultry were calculated which were frequently used in. Sichuan feed mills. The statistic for contents and/or nutrients also were used as the base data of the DBMS befor transplanted to some feedmills.更多还原