Producing Animals:
Cows: Hay Day kept cows in pens and Cow takes 1 hour to produce Milk. If you are beginner of Hay Day Game you can unlock them as Second Animals.
In hay day game cow has different moods for different actions.
Hungry Mood Full Mood
Completed Mood
Milk:
Cow takes one hour to produce milk but you are also able to take action by using Diamonds.
Chicken:
Chicken is you first producing animals and they produce Egg in 20 minutes. They can make sound like real one. Farmer also able to trade egg with other farmers.
Hungry Mood Full Mood
Completed Mood.
Egg:
For every egg production farmer get 2 XP.