Does a cow need to keep being pregnant giving milk?

No, a cow does not need to keep being pregnant to give milk. Cows go through a cycle of lactation and gestation. Cows naturally produce milk after giving birth, which is triggered by hormones. However, in the dairy industry, farmers use various methods such as selective breeding, hormonal treatments, and milking routines to extend the lactation period and maximise milk production, regardless of the cow's reproductive status.