[header] How to guide animals in farmville [title] Focus on raising animals that take up the least amount of space. [step] Consider that on your farm, space is always at a premium. This list includes the obvious smaller animals, like ducks and bunnies, but also a couple of unexpected others. 
As long as you have enough neighbors or farm cash you can purchase dairy farms to store your cows. Dairy farms hold up to 20 cows (or 19 cows and 1 bull) each, and you can buy as many as you want.