Complex nutrient additive block special for yaks

The invention discloses a block for the nutrient balance and health of special livestock yaks under the low-oxygen condition of the Tibet plateau, which consists of the components of molasses, urea, salt, corn flour, calcium hydrogen phosphate, bentonite, oligosaccharide, zinc sulfate, ferrous sulphate, potassium iodide, sodium selenite and cobalt chloride. The block provides mineral elements andcrude proteins of which the yaks are lack due to unbalanced ingestion, improves the constitution of the yaks, enhances disease resistance, reduces the using amount of antibiotics, and also can increase the hemoglobin content of the blood of the yaks to further improve the adaptability of the yaks to a low-oxygen environment.