Silage, such as corn stover, contains high energy, but the protein content is very low. Only 2.3% of crude protein was calculated as wet weight. If 5 kg of urea is added to 1 ton of silage corn stalks during silage, the crude protein of silage corn straw feed can be increased by 1.4%. Feeding young cows and empty cows with this urea-added silage can satisfy their protein needs. At present, the application of urea to feed beef cattle is to mix the urea melt with the concentrate and then feed it. Although this can achieve the effect of supplementing protein, it affects the feed intake of the concentrate to the cattle. When urea is added to silage, the relative concentration of urea is reduced due to the large amount of feed, and it will not affect the feed intake of cattle to silage.
Method for adding urea to silage: Before the beginning of silage, a solution of 25% urea (ie, 100 kg of water, adding 25 kg of urea) is firstly stored in a certain container, and then in the course of silage, the corn stubble is crushed. The urea solution was sprayed on the surface of the corn stove with a micro sprayer. The spray volume is: spraying 25% urea solution 20 kg per ton of corn silage. Spraying, while installing the pits, requires uniform spraying.
Method for adding urea to silage: Before the beginning of silage, a solution of 25% urea (ie, 100 kg of water, adding 25 kg of urea) is firstly stored in a certain container, and then in the course of silage, the corn stubble is crushed. The urea solution was sprayed on the surface of the corn stove with a micro sprayer. The spray volume is: spraying 25% urea solution 20 kg per ton of corn silage. Spraying, while installing the pits, requires uniform spraying.
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