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5 牧草类饲料中锰含量分布（风干基础）

Table 5 Distribution of Mn contents in pasture 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) 羊草 Leymus chinensis 7 35 89.1±32.7a 黑麦草 Ryegrass 16 72 86.5±15.7a 苜蓿 Alfalfa 25 93 33.0±2.5b 青贮玉米 Corn silage 23 88 41.4±3.9b P值P value 0.0002 总体平均值Total average 53.3