Commonly used feed buffers are sodium bicarbonate and magnesium oxide. In sheep strength fattening, the proportion of concentrate in the diet is often increased, the body metabolism will produce too much acidic substances, causing the digestion of the gastrointestinal tract to weaken. Adding a buffer to the feed can increase the alkaline accumulation in the rumen, making the rumen environment more suitable for the growth and reproduction of microorganisms, and can increase the appetite, thereby improving the digestion and utilization of the feed. The ratio of sodium bicarbonate to magnesium oxide is preferably 2~3:1. The amount of sodium bicarbonate is 1.5%~2% of the mixed concentrate, or 0.75% to 1% of the total dry matter of the diet. The amount of magnesium oxide is 0.75%~1% of the mixture, occupy 0.3% to 0.5% of the total dry matter of the diet. Tests prove that the combination of the two is better.
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