一：原料质量重中之重，水分，容量，霉变（测量玉米容量小方法：找个容器装满水，1公斤水是1升，不能算皮重，计算出容器容量，然后水倒掉同样装满玉米，称出玉米重量，玉米重量除以容器容量），豆粕和麸皮格外注意掺假掺杂的。

First: the most important raw material quality, moisture, capacity, mildew (small method to measure corn capacity: find a container filled with water, 1kg of water is 1 liter, can not calculate the tare weight, calculate the container capacity, and then pour out the water, also full of corn, weigh out the weight of corn, corn weight divided by the container capacity), soybean meal and bran should pay special attention to adulteration.

二：粉碎粒度，小猪要细，大猪怕细.

Second: comminution granularity, small pig wants fine, big pig fears fine

三：混合均匀度，这里以立式饲料机来说，遵循先多后少，先重后轻的选择，这个道理想想就明白了，下料顺序：玉米――预混料――豆粕――麸皮

Third: mixing uniformity. For the vertical feed machine, follow the selection of first more then less, first heavy and then light. Think about this principle and understand it. The recommended cutting sequence is corn premix soybean meal bran

四：二次霉变，粉碎的玉米更容易霉变，刚粉碎完的玉米热乎乎的，我的做法是，一次少打几天的料。打完料，不着急放出来，过一两个小时，开一下搅拌机散散热，等饲料冷却放出来，而且添加丙酸钙二次防霉。

Fourth: the second mildew, crushed corn more easily moldy, just crushed corn is hot, my practice is, a few days less material. When the material is finished, it should not be put out in a hurry. After an hour or two, the mixer should be turned on to dissipate heat, and the feed should be put out after cooling. In addition, calcium propionate should be added to prevent mildew for the second time.

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