1, which may be calcium deficiency. Calcium deficiency causes cattle's feet to be weak and unable to stand. This needs to be done slowly to supplement calcium. In addition, it is necessary to supplement drugs that promote calcium absorption, such as vitamin d3 and vitamin A, so that it can stand firm slowly.
2, may have a fever, you can inject antipyretic liquid, it is recommended to take orally. It may be an internal injury. Animals like cattle recover quickly. Give them some medicine like iron, I hope it will help you.