The results showed that main factors were artificial breeding skill, cost, ration and feeding skill, labor difficulty, live beef market, butcher skill, etc.
调查结果表明，主要的影响因素有：人工授精技术、推广经费问题、饲料与饲养管理技术、肉牛销售与市场、肉牛屠宰加工技术等等。
There are two sections, which named breed management and daily ration breeding forecast.
本专家系统由两部分组成，即养殖管理和日粮饲喂预测。
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