江西万安县农民如今十分注重科技投入，竞相聘请家庭“科技保姆”。目前，该县已有８８０余农民聘请“科技保姆”２６８０名。 万安县枫林乡庄上村朱日光等养鸭户饲养的鸭子长了三个月仍然不长老毛。县畜牧站胡站长闻讯来看，发现原因是其所用饲料缺乏几种必需元素，为朱日光减 Wanan County, Jiangxi Province farmers now pay great attention to science and technology, competing to hire a family “technology nanny.” Currently, more than 880 peasants in the county have hired 2680 technicians. Wanan County, Fenglin village on the village of Zhu Nikko and other ducks raising ducks for three months is still not a long hair. Hu County Animal Husbandry station news hearing point of view, we found that the reasons for the lack of feed several elements necessary for the reduction of Zhu Dayuang