开发矿物饲料添加剂十分必要

Great Necessity to Develop Mineral Fudder Additives

对矿物饲料按主要补充营养元素进行分类 ,又分别介绍了稀土、沸石和膨润土三种矿物饲料添加剂。

Mineral fodders are classified in accordance with their main supplementary nu triet elements and three of them,namely rare earth,zeolite and bentonite described. Due to the unsufficient content of minerals in natural fodders or some existing factors inhibiting the absorbtio and utilization of minerals,it is necessary to ad proportional minerals to fodders so as to meet the requirement of animal growth on nutrient element.The mineral fodder is one that can supplement the need of domestic animals for minerals.The commonly used mineral fodder additives in chian at present include salt,calcium carbonate,bone meal,shell dust and egg shell dust.The neuly developed ones include limestone,bentolite,rare earth and zeolite.