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3 植物性蛋白饲料中硒含量分布（风干基础)

Table 3 Distribution of Se contents in plant protein 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 膨化大豆 Extruded soybean 10 95 0.287±0.128b 0.637 0.002 大豆粕 Soybean meal 19 319 0.182±0.072bc 0.766 0.002 菜籽粕 Rapeseed meal 16 136 0.174±0.151bc 0.815 0.004 棉籽粕 Cottonseed meal 13 104 0.105±0.025c 0.292 0.041 花生粕 Peanut meal 11 49 0.118±0.066c 0.446 0.035 亚麻粕 Linseed meal 3 19 0.502±0.558a 1.513 0.030 葵花粕 Sunflower meal 3 15 0.097±0.046c 0.192 0.030 P值 P value ＜0.001 总平均值 Total average 0.209