1, physiological characteristics
At this stage, the cow has been aborted. In the early stages of pregnancy, the nutritional needs of young cows differ slightly from those before their mating. But four months before delivery, the growth of the embryo is very rapid and the nutritive needs of the cow are also increasing rapidly.
2, production goals
Pay attention to miscarriage, prevent over-fertilization from causing obstructed labor, and cause problems such as postpartum syndrome.
3, feeding and management
Young cattle can adopt feeding methods that are free-fed and free-feeding. There must be a playground for young cattle. To provide clean drinking water. The requirements for diets are: 16-18 months of age. The diet is mainly based on high-quality roughage. Each day feeds 2.5 kg of concentrate, and the crude protein level of the diet is 12%. From 19 to 23 months of age, 2.5 to 3.0 kg of fine mix was fed on each head per day, and the level of crude protein in the diet was 13%. From 24 months to perinatal period, 3.0 kg of concentrates were used, and the crude protein level in the diet was 14%.
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