PDF(4833 KB)
PDF(4833 KB)
PDF(4833 KB)
饲粮添加有机锌、锰对产蛋中后期蛋鸡蛋壳品质及血液生化指标的影响
Effects of Diet Supplemented with Organic Trace Minerals Zinc and Manganese on Eggshell Quality and Blood Biochemical Indexes of Laying Hens in the Middle-Late Laying Period
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