I had my red foot for 10 months now, the first 3 months of bring her home I didn't take her outdoors because of lower temperatures in the teens & I didn't let her explore around the house. But once the spring & summer came around she was taken out in the fields 4-5 days per week for sunlight & roaming about for at least an hour, I noticed she grew faster, her digestion was improved & she was less lethargic. Where I am fortunately we have milder cold seasons, so on warmer days under bright sunlight she still gets to go outdoors to roam.