Cost: £55,000
Costs of maintenance: £55 per day
Contributions:
75,000 L of chopped silage, 75,000 L of manure, and 75,000 L of slurry 36,000 L of sugarbeet (not used in fast cow or concrete variants)
36,000 L of sugarbeet, 36,000 L of potatoes, and 75,000 L of straw
Results:
100,000 KW of electricity
100,000 L of methane and 1,000,000 L of digestate
Electric charge, methane, and digestate production cycles enable the sale and distribution of separate products.
The small BGA comes in four versions:
The MiniBGA has ten cycles per hour.
MiniBGA Fast (the version that was introduced in FS22): 100 cycles per hour
Ten cycles per hour, more intricate recipes with more rewards, MiniBGA Concrete Cow
100 cycles per hour, more intricate recipes with more rewards, MiniBGA Fast Cow

Changelog: 1.1.0.0 Update:
The slurry trigger problem has been resolved, storage capacity have been modified, and the limitless manaure/slurry when put next to an extension has been fixed (removing support for silo extensions).

Disturbed Simulations is credited.