Concrete/raised stated floor – Easy to maintain cleanliness.
Dry litter/bedding – Maintain warmth.
Proper lighting - Should have good supply of natural light/sunlight.
Proper drainage - facilitate free flow of urine and water to avoid dampness.
Draught free - The structure should stop strong winds from blowing into the calf pen.
Proper ventilation – Structure should allow for fresh air circulation.
Security - Should be strong enough to keep away intruders/wild animals.
Mohaissack answered the question on October 10, 2017 at 11:13