In order to improve the palatability, nutritional value and digestion and utilization of roughage, proper processing and modulation are required. The three processing technologies of straw silage, ammoniation and micro-storage are introduced here: Silage: Containers can be prepared with silos, silage towers, plastic bags, etc. The key to the success of silage is to look at the environment in which the silage is closed and anaerobic, that is, The rapid growth of lactic acid bacteria, decomposition of sugar into lactic acid, when the pH reached 4, other bacteria and lactic acid bacteria is difficult to reproduce, feed can be stored for a long time. The specific approach is to carry the timely harvested raw materials (corn stalks, hawthorn, etc.) along with transport (with length of 2 to 5 cm), with the equipment, with pressure, and strive to complete a cellar in 1 to 2 days. For compaction, the Raw Material is filled into the cellar to a depth of 20 cm, that is, fully compressed and then filled with a layer of compaction. Sealing must also be strictly sealed. Drain ditches around to prevent rain from seeping. After cellar sealing, 30 to 40 days can be used to open the cellar. The silage material is preferably yellow-green and has an acid-flavoured pH value of 4.0 to 4.2. To supplement the lack of protein in silage, cattle feed can also be added in the amount of urea modulation, the amount of 1 ton of silage corn plus 4.5 kg of urea, to be formulated as a concentration of 38% solution, and evenly sprayed. Ammonia: The purpose is to increase the nutritional value of straw, which can save fine material and reduce costs. The ammonia source is urea, ammonium bicarbonate, ammonia, or liquid ammonia. The straw contains cereals with high crude fiber and low crude protein, such as wheat straw and rice straw. Containers can be stacked on the ground, cement tanks or plastic bags can also be used, the cement pool volume is calculated according to 1 cubic meter with 140 kg of ammoniated wheat straw, wheat straw is split into 2 ~ 3 cm long. When ammoniating, urea should be poured into 4%~5% of urea, and urea should be firstly dissolved with warm water, that is, for every 100 kg of straw, with 4~5 kg of urea, plus 60~80 kg of water. After the urea is added, stir it well and then step on the seal. The amination time is 0°C to 5°C for more than 8 weeks, 5°C to 15°C for 4 to 8 weeks, 15°C to 20°C for 2 to 4 weeks, 20°C to 30°C for 1 to 2 weeks, and 30°C or more 1 Within weeks. Micro-storage: that is, in the straw by adding micro-organisms active strains - straw fermentation live dry bacteria, containers, methods and silage basically the same. The use of live dried bacteria 3 grams per bag, can handle wheat straw, straw, dry straw 1 ton of corn or 2 tons of green straw. When the bacteria solution is prepared, the bacteria agent is first poured into 200 ml of water and fully dissolved, and then placed at room temperature for 1 to 2 hours to rejuvenate the strain and be used up at that time. The rejuvenated good agent is poured into fully dissolved 0.8% to 1.0% salt water and mix well. Afterwards, the moisture content of the storage is controlled between 60% and 65%. The water consumption per ton of storage needs 600 (yield of yellow corn stalk). 1400 (wheat rice straw) kg. The straw should be fresh straw of the year and it should be 5-8 cm long. In the storage of wheat straw or straw, 5% barley flour, corn flour, bran, etc. can also be added to provide nutrients for the propagation of the bacteria. Improve the quality of micro-feeds.
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