【摘要】 研究了植酸酶和 VD3协同对采食低磷正常钙日粮的 21日龄肉仔鸡生产性能和矿物元素利用率的影响。结果表明：植酸酶和 VD3显著提高了鸡的采食量和日增重，降低了料肉比；植酸酶提高了胫骨灰分及其镁和锌含量；降低了血浆中钙含量，提高了磷和铜含量， VD3也显著提高了胫骨灰分含量，但其所含矿物元素含量不受影响；日粮中同时添加植酸酶和 VD3，效果更为理想，二者产生了明显的协同效应，显著提高了矿物元素的利用率。更多还原

【Abstract】 The effects of phytase and VD3 on 21 day－ old broiler performance and minerals utilization were determined.The results are as follow:Both phytase and VD3 significantly promoted broiler performance (Pboth phytase or VD3 and their combination could significantly promote broiler performance and mineral utilization.更多还原