对蛋用鸡连续饲喂低蛋白低有效磷饲粮的安全性及添加植酸酶的效果进行了探讨。
Safety of laying type chickens continuously fed low protein and low available phosphorous (AP) and efficiency of phytase supplementation were studied.
随着人们对畜产品安全意识的不断加强，饲用抗生素与部分化学药物添加剂被禁用已成必然趋势。
With the increasing safety consciousness about animal products, the antibiotics and some drug feed additives are showing a tendency to be prohibited.
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