我国畜禽饲料资源中微量元素锌含量分布的调查

邵玉新,张丽阳,马雪莲,王良治,刘东元,吕林,廖秀冬,罗绪刚

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

SHAO YuXin,ZHANG LiYang,MA XueLian,WANG LiangZhi,LIU DongYuan,LÜ Lin,LIAO XiuDong,LUO XuGang

Table 2 Distribution of Zn 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 锌含量 Zn contents (mg·kg-1) 膨化大豆 Extruded soybean 13 98 38.9±3.9d 豆粕 Soybean meal 23 336 49.1±1.6cd 菜籽粕 Rapeseed meal 20 55 61.2±7.9b 棉粕 Cottonseed meal 14 106 56.5±8.2bc 花生粕 Peanut meal 11 49 61.6±9.0b 亚麻粕 Linseed meal 3 19 85.2±46.2a 葵花粕 Sunflower seed meal 3 15 68.0±28.6b P值P value <0.0001 总体平均值Total average 54.9