论文部分内容阅读
A low level of serum calcium (Ca) is a biomarker of hypocalcemia close to parturition,escalating to secondary risk complications and threatening the productive life of high yielding dairy cows.Recently,difructose anhydride (DFA) Ⅲ,an oligosaccharide crystal extracted from the Chicory root,has been used to mitigate the effects of low serum Ca.