Cows and Sheep
Your animal barn, to the left of your house and your dog's house, holds the cows and sheep you raise on your farm. You can have a total of 8 animals at first, but if you have it upgraded by Gotz it will be able to hold up to 16 animals; but you don't have to own the same amount of sheep as you do cows. You can have something like 15 sheep and one cow if you wanted to. You just have to make sure there are only 16 animals in the barn.
Your first cow and sheep have to be purchased from Barley down at Yodel Ranch. It's located to the left of the chicken farm where Rick and Popuri live. After you give your animal a name, Barley will have it delivered to your barn. Your first sheep's wool can be harvested right away, but your first cow can't be milked because it's simply not large enough. Barley's sheep are adults but his cows are only medium size. You'll have to wait until your cow becomes an adult before you can collect any milk.
After you have your new animals and you want more of them, you can go back to Yodel Ranch or you can have your adult animals produce babies. You can buy the Cow M.Potion and Sheep M.Potions at Barley's Ranch. To use the potion, just walk up to your animal with the appropriate medicine equipped and press the B button. Any cow you would like to make into a pregnant cow must be a healthy adult, but the sheep you want to have a baby must have her wool. If you use a Sheep M.Potion on a sheep that doesn't have any wool, you've just accidentally wasted a 3000 G item. A pricey thing to lose.
A pregnant cow or sheep take about 20 days before she gives birth. A cow will give birth to a small cow and a sheep will give birth to a medium sheep. Small cows take 14 days to grow into their next size. Medium cows take 7 days to grow into adult cows. Newborn sheep only take 14 days before they become adults.
Of course you could akways just go and buy a new medium-size cow or adult sheep from Barley, so what's the advantage of growing your own? When a new four-legged animal is born on your farm, it can randomly have 0 to 4 hearts on it's love gauge. When you just go buy a cow (for 5000 G) or sheep (for 4000 G), the new animal won't have any hearts at all. Your new baby cow could start giving Medium Milk as soon as it becomes an adult instead of Small Milk if you had purchased the cow. Not only that, but you save 1000G from birthing a cow or sheep than buying one.
To make Cheese or Yarn, you'll first have to upgrade your animal barn so it can hold 16 animals. After that Saibara will have the Cheese and Yarn Makers for sale in his shop for 20,000 G each. You'll also have to dig down in the Spring Mine to find the Adamantite he requires to build the Makers.
