
Effects of Zinc Supplemental Level on Performance and Eggshell Quality of Laying Hens
ZHANG Yanan, WU Shugeng, ZHANG Haijun, YUE Hongyuan, QI Guanghai
2013, Vol. 25 (5) : 1093-1098.
Effects of Zinc Supplemental Level on Performance and Eggshell Quality of Laying Hens
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