为了研究包被硫酸锌和碱式碳酸铜对预混料中维生素a稳定性的影响及其对于仔猪的生物效价，本研究进行了两个试验。
Two experiments were conducted to determine the effect of Coated Zinc Sulfate and Copper Carbonate on Vitamin a Stability and Bioavailability for Weanling Pigs.
为了研究包被硫酸锌和碱式碳酸铜对预混料中维生素a稳定性的影响及其对于仔猪的生物效价，本研究进行了两个试验。
Two experiments were conducted to determine the effect of Coated Zinc Sulfate and Copper Carbonate on Vitamin a Stability and Bioavailability for Weanling Pigs.
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