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5 牧草类饲料中硒含量分布（风干基础)

Table 5 Distribution of Se contents in pasture ingredients (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 羊草 Leymus chinensis 7 33 0.059±0.021 0.197 0.013 黑麦草 Ryegrass 15 70 0.070±0.035 0.190 0.007 苜蓿 Alfalfa 23 88 0.057±0.038 0.302 0.001 青贮玉米 Corn silage 23 86 0.060±0.034 0.339 0.010 P值 P value 0.686 总平均值 Total average 0.062