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Cal Poly Bull Test

Ranchers from throughout the country bring registered bulls to Cal Poly to test animal performance.

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Student-Run Enterprise

Cal Poly students are the foundation to the Cal Poly Bull Test. This year we have a team of 40 students.

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Cal Poly’s “Learn By Doing” Philosophy

Cal Poly students gain hands-on experience in the beef cattle industry.

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The Bull Sale

This student-run enterprise is one of the toughest bull tests in the country, with only about half of the bulls making the sale.

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Cal Poly

Performance Info

For More Information

Contact us at
Beef Cattle Specialist
(805) 756-2685
Beef Operations Manager
(805) 801-7058



Welcome to the Cal Poly Bull Test!

Cal Poly Bull Test
Animal Science Department
1 Grand Ave
San Luis Obispo, CA 93407
Refer any questions to our Bull Test Office @ (805) 756-2685 or our email

Sale Updates!

The online version of the sale catalog is now available by clicking here!

Email Zach McFarlane at to receive a copy of the sale catalog in the mail.

The 2022 Bull Sale is Sunday, October 2nd. We will provide updates and links to the online bidding and sale videos website ASAP!

Schedule of Events


Bull Preview at Bull Test Facility - 10:00 am - 12:00 pm

Field Day at Twisselman Barn - 3:00 pm - 5:00 pm

YCA Benefit Dinner at Twisselman Barn - Cocktails 5:30 pm  Dinner 6:30 pm


Bull Preview at Bull Test Facility - 8:00 am - 11:00 am

BBQ Lunch: 11:00 am - 1:00 pm

Sale: 1:00 pm


Progress Reports

Follow the bulls as they progress through the contemporary group test. View progress reports by clicking the link in the Main Menu or by clicking here.


2023 Enterprise Application 

Applications are now available for management and enterprise positions for the 2023 Cal Poly Bull Test Enterprise. Click below to access the application. 

2023 Bull Test Application


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