- What sort of cows are used for milk production?
- Do cows need to give birth before they can produce milk? Are pregnant cows milked?
- How much milk does a dairy cow (female Holstein) produce in a day? How about over a year?
- What is the diet of a dairy cow (female Holstein)?
- How many dairy cows (female Holsteins) are there in Hokkaido? How many tons of raw milk do they produce?