Everyone needs exercise - but cows just don't bother.
None. Cows may need grazing area but an area does not need cows!
or you will get leg cramps if you squat too long
No. Cows need a bull to reproduce.
Cows don't need money
Not if they don't need to be milked, no. But, if you're hired to milk dairy cows, and Jerseys are among those cows that need to be milked, then the answer would be a very obvious yes.
i think that cows can live without producing offspring.
no
Cows
Yes, and No. Cows can survive completely on grass as food, but it would need water too.
You need exercise, period!
Approximately 1 to 2 acres of land is needed to graze 10 dairy cows. This space allows enough room for grazing, resting, and exercise, as well as access to shelter and water. It is important to consider the quality of the pasture and the climate when determining the space required for dairy cows.
they like to eat cows and lay eggs under trees/