These production buildings allow you to produce feed for your animals on the farm.
Grass Drying:

Input: Grass
Output: Hay

Fermenter:

Input: Grass, Straw, Chopped Forage
Output: Silage

Mineral Feed:

Input: Soybeans, Potatoes, Sugar Beets, Barley
Output: Mineral Feed
Price: €75,000
Daily Maintenance Costs: $140

Cow Feed:

Input: Hay, Straw, Silage, Mineral Feed
Output: Cow Feed
Price: €75,000
Daily Maintenance Costs: §140

Pig Feed:

Input: Wheat, Potatoes, Sugar Beets, Soybeans, Corn
Output: Pig Feed
Price: €75,000
Daily Maintenance Costs: §140

Changelog 1.0.1.0

Ballet trigger fixed
Production for cow feed and pig feed added