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6 矿物质饲料中锰含量分布（风干基础）

Table 6 Distribution of Mn contents in mineral 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) 石粉 Limestone 18 64 118.3±21.6b 磷酸氢钙 Dicalcium phosphate 13 44 1104.8±240.2a 骨粉 Bone meal 15 27 16.9±2.0b 贝壳粉 Oyster shell meal 5 9 71.5±20.8b P值P value <0.0001 总体平均值Total average 335.4