Rice and wheat straw are aminated and can be used as roughage for higher feed value. 1. Urea ammoniation: Utilizes urea as the ammonia source, and takes a heaping or ammoniating pool to ammoniaify the feed. The operation steps are as follows: 1 If ammoniating of the ground stacking method is used, the flat site should be selected and the plastic film should be laid; if the ammoniation tank is used for ammoniation, the tank must be built in advance with cement. 2 Shorten air-dried stalks with rakes. If stacking rakes are used, it is not necessary to shorten stalks. 3 Every 100 kg of straw is sprayed with urea 4~5 kg plus 60~70 liters of water and mix thoroughly, then put into ammoxidation tank or stacking, practical, sealed with plastic film, and sealed with soil around to ensure no leakage. gas. 4 When the temperature is above 30°C, it can be opened after 7 days; when the temperature is 20~30°C, it is opened after 10 days; when the temperature is 10~20°C, it is opened after 20 days; when the temperature is 0~10°C, it can be opened after 30 days Feeding. After opening, the feed should be ventilated for 10-24 hours in order to emit ammonia gas and then used for feeding. 2. Ammonium ammonia ammonification: The method is the same as that of urea ammoniation, but the amount is different. Generally, ammonium bicarbonate can be used for 8 to 12 kg per 100 kg air-dried straw. 3. Ammoniad ammonia: Ammoniad ammonia straws must be prepared in advance ammonia. If the ammonia nitrogen content is 15%, 15 kg of ammonia water per 100 kg of air-dried straw can be used. At the same time, according to the moisture content of the straw, the ammonia is diluted 3 to 4 times, that is, 60 to 70 kg of diluted ammonia water is added per 100 kg of air-dried straw, and after being sufficiently stirred, it can be stacked or sealed. 4. Feeding amount: Ammoniated straw cannot be used as a complete feed for sheep. Feeding too much can easily cause ammonia poisoning, and the daily feeding amount is 0.5 to 1 kg per sheep.
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