我国畜禽饲料资源中微量元素锰含量分布的调查

王传龙,张丽阳,刘国庆,王丽赛,杨柳,邢冠中,邵玉新,马雪莲,李素芬,王良治,刘元东,吕林,廖秀冬,罗绪刚

A Survey on Distribution of Manganese Contents in Feedstuffs for Livestock and Poultry in China

WANG ChuanLong,ZHANG LiYang,LIU GuoQing,WANG LiSai,YANG Liu,XING GuanZhong,SHAO YuXin,MA XueLian,LI SuFen,WANG LiangZhi,LIU YuanDong,LÜ Lin,LIAO XiuDong,LUO XuGang

表4 秸秆类饲料中锰含量分布（风干基础）

Table 4 Distribution of Mn contents in straw feeds (air-dry basis)

样品名 Name of samples 省（市、区）数 No. of provinces (municipalities, regions) 样品数 No. of samples 锰含量 Mn contents (mg·kg-1) 玉米秸 Corn straw 30 84 52.0±6.0b 小麦秸 Wheat straw 23 55 37.8±5.6b 稻秸 Rice straw 29 84 458.1±56.0a 甘薯藤 Sweet potato vine 12 21 107.2±17.7b P值P value <0.0001 总体平均值Total average 180.8