Can urea actually be used to feed livestock?
How can potassium fertilizer be applied to late rice to increase yield? The yield-increasing effect of potassium fertilizer on late rice has become increasingly obvious, especially for hybrid late rice. In recent years, with the large-scale planting of hybrid late rice. In recent years, with the large-scale planting of hybrid late rice, potassium deficiency responses are more sensitive than in conventional rice, and the effect of potassium deficiency on late rice yield is more obvious. Late rice is prone to...
Can urea be fed to livestock? Please advise.As a nitrogen additive for ruminants such as cattle and sheep, urea can be decomposed into ammonia by microorganisms in the rumen of cattle and sheep, and converted into bacterial protein, which is then absorbed and utilized. Therefore, it can replace part of protein feed. But urea is not protein after all, and its utilization efficiency is often affected by many factors. One important point is that the crude protein level contained in the feed must not be too high. If the crude protein content in the feed is relatively high, the rate at which bacteria use urea to synthesize protein will not decrease. Tests have shown that when the crude protein content in the feed is 9%-10%, the utilization rate of urea in the rumen can reach 70%, and the weight gain of cattle and sheep can be increased by more than 36%. As the crude protein content in the feed increases, the effect of adding urea becomes smaller and smaller, and feeding urea will affect weight gain or even reduce body weight.
In winter and spring, most farmers raise cattle with roughage such as wheat straw, dry corn stalks, and dry grass, and the crude protein content in the feed is mostly between 9%-11%. Therefore, the effect of adding urea is very obvious. In summer, however, cattle and sheep mostly eat green feed, and the crude protein content in green feed is generally between 12%-20%, and the digestibility and utilization rate of crude protein is mostly above 70%. Therefore, adding urea to ruminants such as cattle and sheep in summer, when green feed is the main feed, often produces the opposite effect.
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