Skip to main content

Dairy Farm

The ISU Dairy Farm is located on 27 acres at 52470 260th St. in Ames, three miles south of central campus. There are close to 400 dairy cows and another 400 heifers and around 35 students are employed to help operate the farm.  

The dairy farm opened in the fall of 2007 and currently ship 29,000 lbs of milk each day to Prairie Farms.  The milk can be found in your local Midwest grocery store.  Sustainable farming is practiced at all of our farms.  This starts at the dairy farm with the manure handling system.  The manure handling system separates the solids which are used for animal bedding and compost used on campus, and the liquid portion is stored in a 2 million gallon tank that is emptied a couple times a year.  The contents are used as fertilizer for ISU farms. 

Follow the ISU Dairy Farm on Facebook

ISU Dairy - March 16, 2023

2x milking (6:00 am, 6:00 pm)

419 cows in milk:
377 Holstein (90.0%), 26 Jersey (6.2%), 16 Ho-Je (3.8%)

194 1st (46.9%), 94 2nd (21.9%), 131 3rd and later (31.3%)

Last test 3-7-23:
79.6 lbs/cow (9.3 gal/cow @8.6 lbs/gal, or 35.0 liter/cow @ 2.272 lbs/liter)
4.2% fat; 3.3% protein
85.7 std 150d milk

Rolling herd average:
25,207 lbs milk (2931.0 gallons, 11,094.6 liters)
1042 lbs fat; 856 lbs protein

2.6 spc; 147 days open
14.0 mo calving interval

443 cows; 429 heifers


52470 260th Street, Ames, Iowa 50014

Map to the dairy farm