Bull Test

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Last Updated: Sep 08, 2026, 02:15 PM

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Discover the perfect bull for your herd.
Performance test your genetics.

SIU Bull Test 2026-2027

What we offer:

  • 84d performance test evaluating growth and efficiency.
  • Daily feed intake measurement using advanced SmartFeed system.
  • Breeding Soundness Evaluation.
  • Ultrasound Carcass Evaluation.
  • Marketing opportunities and sale.

Independent Contractor Analysis Form

New/Change Supplier Request

W-9 Form

SIU Carbondale: 45th Bull Test 2027

Genetics - Performance - Efficiency

  • Enhance beef cattle performance by testing bulls for feed efficiency, performance, and genetic value
  • Common $ents Heifer Classic: please reach out for details

Dates:

  • Nomination Forms Due : September 30, 2026
  • Bull Drop Off: October 19, 2026
  • Bull Open House: February 26 and March 6, 2027
  • Sale Date: March 7, 2027 @ 2pm

2027 Partners: 

  • American Angus Hall of Fame
  • Illinois Beef Association

Bull Test Location: 628 Rowden Road, Carbondale, IL, 62903

To Get in Touch: 

Dr. Jay: 618-319-5940

Facebook Page: SIU BULL TEST

Dr. Jay's Email: jay.nair@siu.edu

Objectives

  • Evaluate the genetic potential of bulls to gain weight rapidly
  • Measure feed intake to determine:
    • True feed efficiency
    • Residual feed intake
  • Breeding soundness evaluation of bulls – including:
    • Physical exam – includes the examination of eyes, feet, and legs, and overall condition
    • Reproductive tract exam – includes the examination of the testicles, spermatic cord, and examination of accessory sex glands and internal organs
    • Semen exam – includes evaluation of sperm motility and morphology.
Anees Mon Aliyarukunju SIU graduate student overseeing the bull test as part of his MS program.

Directions

Mapping App address to use: 628 Rowden RD, Carbondale, IL 62901

  • Headed West into Carbondale

    • Take HWY 13 west
    • Turn Left on W. Murphysboro RD (Old 13 HWY) (Stop light after McDonald's)
    • Heading west, turn Left on Tower Road (right after the DOT building)
    • Heading south, turn right onto Chautauqua Road
    • Heading west, turn Left on Rowden RD (first left off Chautauqua RD)
    • Heading south, turn left into the first driveway of the test station

  • Headed East into Carbondale

    • Take HWY 13 east
    • Turn Right on W. Murphysboro RD (Old 13 HWY)
    • Heading west turn Left on Tower RD (right after DOT building)
    • Heading south turn Right onto Chautauqua RD
    • Heading west turn Left on Rowden RD (first left off Chautauqua RD)
    • Heading south turn Left into first driveway of the test station