Feeding calves too early or too late is not good for their growth and health. Practice has proved that it is most suitable for yak to feed forage at the age of 3 weeks.
Yak is within 3 weeks of age. The anterior stomach (rumin, reticulum, and stomach) is very small. It does not have the ability to digest grass, and there are no microorganisms and ciliates. It can only rely on eating milk to enter the stomach for absorption and utilization. Feeding forage at this time will increase the burden on the yak's forefoot and cause illness. If the feed grass is too late, the stomach and intestines do not exercise, the growth and development of the front stomach is slow, and the volume is too small, which will also affect the growth and development and health. After the yak is 3 weeks old, the foregut stomach rapidly enlarges, and due to contact with a small amount of food and drinking water, the microorganisms enter the forefoot with the oral cavity. At this time, the yaks start to have rumination. At this time, fresh grasses, wild vegetables, high-quality dried grass, crushed fine feeds, etc. are started to be fed, and as the age increases, the amount of feed and the amount of roughage can be increased, which can prevent disease and accelerate the development of the forefoot. The proliferation of microorganisms and ciliates in the rumen will gradually strengthen the function of digesting forage and feed, and will provide a good foundation for cattle to feed on a large amount of roughage, grow up and gain more weight.
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