- Organization
- USA - (by AgSource)
- Year
- 2009
- Notes
- Total number of dairy cows
- 610307
- Total number of dairy herds
- 4319
- Average of cows per herd
- 141
- Average milk production per cow per year (kg)
- 10744
- Percent of fat production per cow per year (%)
- 3.7
- Percent of protein production per cow per year (%)
- 3.1
- Average cell count
