Effect of Feed Additive Containing Mulberry Leaves for Hens on Egg Yolk Quality
LIU Mei-yu1,ZHANG Xiao-mei2,LIAN Hai-ping3,REN Fa-zheng2,*
FOOD SCIENCE . 2013, (5): 223 -227 .  DOI: 10.7506/spkx1002-6630-201305046