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6 秸秆类饲料中硒含量分布（风干基础)

Table 6 Distribution of Se contents in straw 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 玉米秸秆 Corn straw 29 80 0.051±0.033bc 0.233 0.003 小麦秸秆 Wheat straw 20 51 0.033±0.016c 0.117 0.005 稻秸 Rice straw 27 81 0.064±0.039b 0.308 0.007 甘薯藤 Sweet potato vine 12 21 0.128±0.056a 0.362 0.026 P值 P value ＜0.001 总平均值 Total average 0.069