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

Table 1 Distribution of Zn contents in cereals and cereal by-products (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 Corn 29 1152 16.9±2.6D 小麦 Wheat 27 244 30.4±6.7A 稻谷 Rice 29 202 20.2±3.2C 大麦 Barley 14 29 24.8±5.3B P值P value <0.0001 总体平均值Total average 22.7 碎米 Broken rice 19 52 12.5±1.8de 次粉 Wheat middling 18 45 49.8±15.6bc 小麦麸 Wheat bran 24 110 86.2±14.0a 米糠 Rice bran 22 117 38.7±10.5c 玉米DDGS Corn DDGS 13 92 44.9±6.0bc 小麦 DDGS Wheat DDGS 4 16 35.1±8.6cd 玉米胚芽粕 Corn germ meal 7 49 45.2±8.5bc 玉米蛋白粉 Corn gluten meal 17 88 14.3±4.7de P值 P value <0.0001 总体平均值Total average 43.0