我国畜禽饲料资源中常量元素钙含量分布的调查

陈志勇,张丽阳,马雪莲,王良治,邢冠中,杨柳,刘东元,廖秀冬,李素芬,黄艳玲,吕林,罗绪刚

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

CHEN ZhiYong,ZHANG LiYang,MA XueLian,WANG LiangZhi,XING GuanZhong,YANG Liu,LIU DongYuan,LIAO XiuDong,LI SuFen,HUANG YanLing,LÜ Lin,LUO XuGang

表2 植物性蛋白饲料中钙含量分布（风干基础）

Table 2 Distribution of Ca contents in plant protein feeds (air-dry basis)

品名 Name of samples 省（市、区）数 No. of provinces (cities, regions) 样品数 No. of samples Ca含量 Ca content (mg·kg-1) 变异系数 Coefficient of variation (%) 膨化大豆Extruded soybean 13 109 2875±427d 14.8 豆粕 Soybean meal 23 334 3427±265cd 7.73 棉粕Cottonseed meal 14 106 3271±793cd 24.2 菜籽粕Rapeseed meal 20 157 7909±1105a 14.0 花生粕 Peanut meal 11 49 1742±489e 28.1 亚麻粕 Linseed meal 3 19 4042±37bc 0.92 葵花粕 Sunflower meal 3 15 4646±1606b 34.6 P值 P value 0.0001 总平均值Total average 3987