我国畜禽饲料资源中微量元素砷含量分布的调查研究

张铁鹰,张丽阳,刘俊丽,廖朝勇,吕林,廖秀冬,罗绪刚

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

ZHANG TieYing,ZHANG LiYang,LIU JunLi,LIAO ChaoYong,LÜ Lin,LIAO XiuDong,LUO XuGang

表3 植物性蛋白饲料中砷含量分布（风干基础）

Table 3 Distribution of As contents in plant protein feeds (air-dry basis)

样品名 Name of samples 省（市、区）数 No. of provinces (municipalities, regions) 样品数 No. of samples 超标率 Over-limit ratio (%) 砷含量 As contents (μg·kg-1) 膨化大豆 Extruded soybean 13 111 0 5.21±1.16D 豆粕 Soybean meal 23 339 0 58.11±4.8C 菜籽粕 Rapeseed meal 21 165 0 99.69±10.16B 棉粕 Cottonseed meal 14 106 0 99.16±13.76BC 花生粕 Peanut meal 11 49 0 92.11±14.69BC 亚麻粕 Linseed meal 3 19 0 128.45±26.54BC 葵花粕 Sunflower seed meal 3 14 0 315.56±27.48A P值P value <0.0001 总体平均值Total average 72.99