Purdue University

Purdue University

PURDUE AGRICULTURE

FOOD ANIMAL EDUCATION NETWORK

Dairy Facts

How much milk does one cow produce? How often are they milked? What do they eat? Just the facts here.

60,000
Number of dairy farms in the United States

99%
Percentage of American dairy farms that are family owned

135 cows
Average size of a dairy herd in the United States

21 billion
Gallons of milk produced in the United States each year

9%
Percentage of milk produced in the United States that is exported to other countries

California
Number one milk producing state in the United States (Wisconsin is number two)

~400,000
Number of people employed in the dairy industry in California alone

22,775 lbs.
Average annual amount of milk produced per cow in the US (USDA-ERS, 2016)

8.6 lbs.
Weight of one gallon of milk

59,298 lbs.
Record amount of milk produced by a single cow in a year (almost 7000 gallons)

~350
Approximate number of squirts in a gallon of milk

~350,000
Glasses of milk produced by a cow over her lifetime

2
Typical number of times cows are milked each day
* some dairy operations milk cows three times per day

~3 gallons
Amount of milk to make one gallon of ice cream

~30 cups
Amount of milk required to make one pound of butter

1
Number of stomachs in a cow (it has four compartments)

1,300 lbs.
Typical weight of a mature dairy cow
* This is for a Holstein, the most popular dairy breed inthe US. Jersey cows, also popular due in part to their higher milk fat concentration, are typically around 1,000 lbs.

90 lbs.
Average weight of a newborn calf. Will vary depending on breed.

50 lbs.
Amount of feed (dry matter basis) consumed by a dairy cow each day. This figure does not include the amount of water in the feed, which varies greatly, and the amount of water consumed by the animal through drinking.

Holstein
Most common dairy breed in the United States

30%
Percentage of daily recommended calcium intake provided by an 8-ounce glass of milk

~3.25%
Percentage milk fat in whole milk*
* Whole milk, as purchased in a retail outlet, must be, by law, at least 3.25% fat. Raw, unprocessed bovine milk is around 3.8% fat.

Milk
Official beverage of the State of Oklahoma

"America’s Dairyland"
Nickname of the State of Wisconsin. The state motto is "Forward".

1856
Year Dr. Louis Pasteur developed pasteurization

1967
Year when plastic milk jugs were introduced in the United States

For the most up-to-date dairy statistics, visit the USDA-ERS "Dairy Data": https://www.ers.usda.gov/data-products/dairy-data/

Have any questions?  Submit them to us here.

 

 

 

RSS Feed | agweb@purdue.edu| Web Policies
1-888-EXT-INFO (1-888-398-4636)

Department of Name, 915 West State Street,
West Lafayette, IN 47907-4773 USA, (765) 494-8470
© 2008 Purdue University. An equal access, equal opportunity university.