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4 秸秆类饲料中锌含量分布（风干基础）

Table 4 Distribution of Zn 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 锌含量 Zn contents (mg·kg-1) 玉米秸 Corn straw 29 83 19.0±9.7b 甘薯藤 Sweet potato vine 12 21 22.1±9.1ab 稻秸 Rice straw 28 82 27.6±13.0a 小麦秸 Wheat straw 22 53 5.5±4.4c P值P value <0.0001 总体平均值Total average 18.8