Conversation so far:
What are the main types of cattle farming?
In beef production there are three main stages: cow-calf operations, backgrounding, and feedlot operations.
What breeds of cattle produce the most milk?
Specialized dairy breeds such as Friesian and Jersey have high milk yields but are less adapted to harsh environments and require high levels of management, feeding, housing and veterinary care.

Question: How much do Holsteins produce?
Self-contained rewrite: How much do Holsteins produce?