1, the blade is more important. The nutrient content of various hay and straw leaves was more than that of stems. For example, the content of digestible protein in the leaves of Takimoza is 3 times higher than that in the stem, 2.5 times higher in crude fat and calcium, and 0.5 times higher in phosphorus. Carotene also mainly exists in the leaf part, but the crude fiber content in the leaves is only in the stem. 1/3. Therefore, care should be taken when handling the preparation to avoid losing or discarding the leaves. 2, with a good thick material. Roughage, especially straw and oyster shell, has small net energy content and large volume. As a basic feed for livestock such as growth, fattening, labor, milk production, etc., it should be used with small volume and high net energy content concentrates. However, roughage is still indispensable as a feed for the maintenance of horses and cattle during leisure periods. 3, do not feed a single roughage. A single cypress family straw, such as straw, wheat straw and other crude protein, calcium, phosphorus, etc., can not meet the nutritional requirements of the maintenance of livestock, should be fed with protein, calcium content of more legume stalks to improve Utilization of feed. In particular, do not feed the livestock with a single wheat straw for a long period of time, because a single wheat straw can make the ruminant livestock have a rumen-promoting disease, so that the monogastric animals get chronic indigestion diseases. Roughage feeds are generally deficient in phosphorus, with little or no carotenoid content in fine hay. Therefore, the amount of bone meal, stone meal, shell powder and green feed should be added when feeding. 4, straw to chop and feed. The coarse part of the lower part of the straw should be cut off before use as a fuel. The top of the straw can be cut into 3 cm long to feed the cattle; cut into 1.5 cm long to feed horses, quail, donkeys and sheep; the pigs should be crushed.
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