Effects of Dietary Calcium Levels in Corn-soybean-phytase Diets on Production Performance and Egg Quality in Late Period of Jinghong 1 Laying Hens
LIU Guoqing, ZHANG Xiong, ZHANG Lei, QIN Jinsheng, ZHUO Mei, HUANG Haibin, ZHANG Jianyun, JI Cheng, MA Qiugang
《中国畜牧兽医》 . 2018, (12): 3431 -3437 .  DOI: 10.16431/j.cnki.1671-7236.2018.12.015