Research and Application of Different Copper Sources in Livestock Production
YAN Jia-you, ZHANG Chun, TANG Ling, KUANG Sheng-yao
China Animal Husbandry & Veterinary Medicine . 2016, (12): 3227 -3231 .  DOI: 10.16431/j.cnki.1671-7236.2016.12.021