The Brown Calf is the offspring of a Bull and Brown Cow.
Its parent, the Brown Cow was released on the May 19, 2010 as a Mystery Gift.
When you harvest milk from your Dairy Farm (with 1 Bull and at least 1 Brown Cow inside) there is a chance that a Brown Calf will be born.
When you harvest from your Cow Pasture with at least 1 Brown Cow there is a chance that a Brown Calf will be born.
Farmers can use the "instant grow up!" menu option to transform this calf into an adult version of itself. This menu option costs 5 cash.
- Main article: Mastery
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—Image © Zynga
- Main article: Breeding Cattle
A Brown Calf can be adopted from a status, like that of a Lost Animal, only when your Neighbour breeds cattle.