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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

The Bull Test and Sale is run by an enterprise-class of Cal Poly students, this year we have a team of 60 students eager for this year's Bull Test. Students from a variety of majors including Animal Science, Agricultural Communication, Agribusiness, Agricultural Engineering, and Agricultural Systems Management are involved with everything from processing bulls when they arrive, to the sale day operations. This enterprise allows students to focus on all aspects of the Bull Test and Sale. 

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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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C-Lock Smart Feed

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Hereford

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Auxiliary Menu

Cal Poly

Performance Info

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Howdy! We're so glad you stopped by!

Submit Interest Forms to be a part of the 2026 Bull Test Enterprise!

Submit forms by March 20th. Class will be held Spring Quarter on Wednesdays from 5:10-6:30 p.m. Permission codes will be emailed out at a later date.

Email jdubowsk@calpoly.edu or bulltest@calpoly.edu with any questions

2026 Bull Test Enterprise Interest Form

Learn more about our unique program by clicking here. 

Schedule of Events for the 70th Annual Cal Poly Bull Sale

Saturday, October 3 

5:30 pm

Cal Poly Young Cattlemen's Benefit Dinner, Twissleman Barn, San Luis Obispo, CA

Sunday, October 4 

8:00 am - 11:00 am

Bull preview, Escuela Ranch/Cal Poly Bull Test Facility, San Luis Obispo, CA 

11:00 am - 1:00 pm

BBQ lunch

1:00 pm

Cal Poly Bull Sale begins 

Related Content

Consignor Information

Apply to consign your bulls for the 2025 test and sale here.

Please submit your application by April 19, 2025. 

Find the Consignor Handbook by clicking here.

Find the Consignor Agreement by clicking here.

Find the Consignor Entry Form by clicking here.

Sale Updates

2025 Sale Catalog coming soon!

Email Zach McFarlane at zmcfarla@calpoly.edu to receive a copy of the sale catalog in the mail.

The 2025 Bull Sale is Sunday, October 5th. DV Auction link coming soon. 

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.

Contact Information

Mailing Address

Cal Poly Bull Test

Animal Science Department

1 Grand Ave

San Luis Obispo, CA 93407

Advisor Contact Information

Dr. Zachary McFarlane 

Beef Cattle Specialist

(805) 756-2685

zmcfarla@calpoly.edu

 

Aaron Lazanoff

Beef Operations Manager

(805) 801-7058

alazanof@calpoly.edu

Refer any questions to our Bull Test Office @ (805) 756-2685 or our email bulltest@calpoly.edu