Milk fever is also known as

Milk fever is also known as Parturient paresis.
It is an afebrile disease that typically is associated with parturition and beginning lactation. It is characterized by sudden paralysis, and gradual loss of consciousness and, if untreated, usually terminates in death.
Milk fever is a disorder characterized by abnormally low levels of calcium in the blood (hypocalcemia). It occurs in cows most commonly within three days after they have calved, at a time when the cow's production of milk has put a severe strain on its calcium stores.