以上来源于: WordNet
The cause seems to be lack of bifidus factor in artificial feeding.
追究其原因是人工喂养食品中缺乏本菌生长所必需的物质——双歧因子。
This report introduced the methods of extracting bifidus factor (BF) from pig gastric mucin and carrot.
本文介绍了多种从猪胃粘蛋白及胡萝卜中提取双歧因子的方法。
It showed that extracts from animal gastric mucosa have bifidus factor which promote the growth and propagation of bifidobacteria.
证明胃粘膜提取物中含有促进双歧杆菌生长因子。
应用推荐