Effects of Excess Vitamin A on Metabolism of Calcium and Phosphorous of Broilers During Early Growth Period
GUO Xiaoyu, YAN Sumei, SHI Binlin, LI Yinhao, HAN Junying, ZHAO Yanli
China Animal Husbandry & Veterinary Medicine . 2019, (6): 1660 -1667 .  DOI: 10.16431/j.cnki.1671-7236.2019.06.012