Yes.
None. Cows may need grazing area but an area does not need cows!
Yes they do. Saliva helps break down starches in their feed when they eat and when they chew their cud. Saliva also acts as a lubricant to make it easier to swallow food.
Cows don't need money
No. Cows need a bull to reproduce.
Yes, saliva is necessary to dissolve molecules in the food and allow them to interact with taste receptors on the tongue. Without saliva, taste would be impaired.
She may be having sialorrhea (which is excessive saliva production). No need for concern.
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.
Everyone needs exercise - but cows just don't bother.
no
Cows