我国畜禽饲料资源中微量元素锌含量分布的调查

邵玉新,张丽阳,马雪莲,王良治,刘东元,吕林,廖秀冬,罗绪刚

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

SHAO YuXin,ZHANG LiYang,MA XueLian,WANG LiangZhi,LIU DongYuan,LÜ Lin,LIAO XiuDong,LUO XuGang

表6 矿物质饲料中锌含量分布（风干基础）

Table 6 Distribution of Zn 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 锌含量 Zn contents (mg·kg-1) 石粉 Limestone 18 65 7.3±5.6c 磷酸氢钙 Dicalcium phosphate 13 45 268.2±170.0a 贝壳粉 Oyster shell meal 5 9 14.2±18.6c 骨粉 Bone meal 15 28 120.4±22.1b P值P value <0.0001 总体平均值Total average 107.8