我国畜禽饲料资源中微量元素硒含量分布的调查

王丽赛,张丽阳,马雪莲,王良治,邢冠中,杨柳,于涛,吕林,廖秀冬,李素芬,罗绪刚

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

WANG LiSai,ZHANG LiYang,MA XueLian,WANG LiangZhi,XING GuanZhong,YANG Liu,YU Tao,LÜ Lin,LIAO XiuDong,LI SuFen,LUO XuGang

表2 谷物籽实加工副产品中硒含量分布（风干基础)

Table 2 Distribution of Se contents in cereal by-products (air-dry basis)

样品名称 Name of samples 省(市、区)数 No. of provinces (municipalities, regions) 样品数 No. of samples 硒含量Se contents (mg·kg-1) 平均值±标准差 Mean ± standard deviation 最大值 Maximum 最小值 Minimum 玉米蛋白粉 Corn gluten meal 17 90 0.124±0.045a 0.325 0.005 玉米DDGS Corn DDGS 13 93 0.050±0.019bc 0.212 0.010 玉米胚芽粕 Corn germ meal 7 49 0.072±0.035b 0.297 0.019 次粉 Wheat middling 20 50 0.047±0.028bc 0.240 0.010 小麦麸 Wheat bran 22 107 0.058±0.018bc 0.107 0.008 小麦DDGS Wheat DDGS 4 16 0.113±0.050a 0.189 0.061 碎米 Broken rice 21 54 0.034±0.016c 0.237 0.003 米糠 Rice bran 19 106 0.073±0.029b 0.253 0.007 P值 P value ＜0.001 总平均值 Total average 0.071