Effects of Addition of Rare Earth-chitosan Chelate to Diets at Different Protein Levels on Sows and Suckling Piglets
XIONG Yi, ZHANG Bo, SHEN Kang, LEI Long, SUN Hua, ZHAO Shengjun, REN Ying
China Animal Husbandry & Veterinary Medicine . 2020, (9): 2841 -2848 .  DOI: 10.16431/j.cnki.1671-7236.2020.09.017