The meaning of the agricultural proverb "Forty days before the birth of the cow, do not make a sharp turn when pulling":
It is said that the cow weighs a lot, and when carrying a calf, it appears to be thick and large, and if it is too hasty when it encounters a sharp bend, the head and legs and feet are difficult to coordinate, and there is often a phenomenon of hoof loss, which is not good for the cow and the calf.
Note: The picture comes from the network, thank you. (Hou Manchang)