Nutrition block specially used for yak and preparation method thereof

The invention discloses a preparation method of a nutrition block specially used for yaks. According to the preparation method, the nutrition block comprises the following raw materials in parts by weight: 30-35 parts of green syrup, 10-20 parts of wheat bran, 10-20 parts of corn, 8-12 parts of cement, 10-15 parts of urea, 8-12 parts of table salt, 5-10 parts of soybean meal, 4-7 parts of cottonseed meal and 1-2 parts of mineral substance premix. The preparation method comprises the following operating steps of: a dry material smashing step (S1100), a green syrup processing step (S1200), a mixing and processing step (S1300) and a compression moulding step (S1400). The invention also discloses the nutrition block specially used for the yaks, prepared by adopting the preparation method. The nutrition block provides enough energy and crude protein for growth of the yaks, replenishes appropriate true protein and can improve body condition, growth rate and reproductive performance of the yaks and milk yield of the