I bought 15 acres last year in central Minnesota about 8 is wooded and my friend keeps telling me i should look into getting a couple of cows in the spring and sell or butcher in the fall. He said to split off 3 sections and move them once a week. I guess what i would like to know first is how old and what weight does the cow have to be to be completly weened so all i have to do is turn it loose in one section.