Effects of Complex Organic Trace Minerals Supplemental on Eggshell Quality of Laying Hens
CHEN Lianmin, WANG Shunan, YU Lihuai
ACTA AGRICULTURAE BOREALI-SINICA . 2016, (S1): 475 -479 .  DOI: 10.7668/hbnxb.2016.S1.081