How many mice does a cat eat per day

How many mice does a cat eat per day-mice are prey and an ideal nutrient for cats, He has meat, his bones are full of minerals, in his intestines, there are already grains and vegetables that have been digested with the appropriate vitamins. 
In addition, it is tasty for the cat and always has the right temperature. For a healthy diet, one cat has to eat about 5 mice per day. For them, the leftover food is more of a supplement and variety, but not the main meal.