Cows are a livestock animal that appear in Doraemon: Story of Seasons. They can be purchased from Aries at the Gouter Mawk Livestock. Cow needs to rest for their pregnancy about 3 weeks until it born. To make your cow produce Golden Milk, your selected cow must have 10❤︎ then win first place in festival.
Cow Bell (Silver) available after you upgrade the Roomy Shed to Lv2 and for the cows to come to you at least it have 3❤︎.
Calling Bell (Golden) available at Aries after you upgrade the Roomy Shed and Chicken Coop to Lv3 with their own respective silo, this bell will order all livestock (chickens, cows, sheep) with at least have 3❤︎ to go out or to come in, also can rapidly increase their hearts.