1 / 27

Linear

Linear. Ben Krahn Oregon State University Dairy Research Center. Linear Type Evaluation. Frame-15% Dairy Character-20% Body Capacity-10% Feet and Legs-15% Udder-40%. Purebred Dairy Cattle Association. Linear Type Evaluation. 50 point scale Comparing against ideal Objective comparison

tamekah-bridges
Download Presentation

Linear

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Linear Ben Krahn Oregon State University Dairy Research Center

  2. Linear Type Evaluation • Frame-15% • Dairy Character-20% • Body Capacity-10% • Feet and Legs-15% • Udder-40% Purebred Dairy Cattle Association

  3. Linear Type Evaluation • 50 point scale • Comparing against ideal • Objective comparison • Breed Classification

  4. Frame 15% • Rump • Stature • Front end • Back • Breed Characteristics

  5. Rump • Width between pins • Slight slope from hips to pins • Thurls wide and centered between pins

  6. Rump Width • 5-Extremely Narrow 2.5” • 25-Intermediate 4.5” • 45-Extremely Wide 6.5”

  7. Rump Angle 5-High Pins 1.5” 25-Slight Slope 1.5” 45-Extreme Sloped 4.5”

  8. Stature • Measured at the point of withers • Height at point of withers and pins should be proportionate • Varies by breed

  9. Stature in Inches by Breed Linear Score

  10. Strength • 5-Extremely Narrow • 25-Intermediate • 45-Extremely Strong and Wide

  11. Dairy Character-20% • 5-Extremely Tight • 25-Intermediate • 45-Extrememly Open

  12. Body Capacity-10% • 5-Extremely Shallow • 25-Intermediate • 45-Extremely Deep

  13. Feet and Legs-15% • Foot angle-Pasterns • Rear legs • Rear view • Side view

  14. Foot Angle • 5-Extremely Low • 25-Intermediate 45 degrees • 45-Extremely Steep

  15. Rear Legs-Rear View • 5-Extreme Hock-In • 25-Slight Hock-In • 45-Tracks Extremely Straight

  16. Rear Legs-Side View • 5-Extremely Posty • 25-Intermediate • 45-Extremely Sickled

  17. Udder-40% • Udder Depth • Front Teat Placement • Rear Udder • Height • Width • Fore Udder • Teat Length • Udder Balance and Texture

  18. Udder Depth • 5-Extremely Deep -2” • 25-Intermediate 2” • 45-Extremely Shallow 6”

  19. Front Teat Placement • 5-Extremely Wide • 25-Centrally Placed • 45-Extremely Close

  20. Rear Udder Height • 5-Extremely Low 13.3” • 25-Intermediate 10.5” • 45-Extremely High 8.7”

  21. Rear Udder Width • 5-Extremely Narrow 5” • 25-Intermediate 5.5” • 45-Extremely Wide 7.5” http://www.usjersey.com

  22. Udder Cleft • 5-Extremely Weak flat 1” • 25-Intermediate 1.25” • 45-Extremely Strong 2.5”

  23. Fore Udder • 5-Extremely Loose • 25-Intermediate • 45-Extremely Strong

  24. Teat Length • 5-Extremely Short 1.25” • 25-Intermediate 2.25” • 45-Extremely Long 3.25”

  25. Udder Tilt • 5-Extreme Rearward Tilt 2.5” • 25-Nearly Level • 45-Extreme Forward Tilt 1.5”

  26. References • Purina Mills • http://dairy.purina-mills.com • Holstein Association • http://www.holsteinusa.com • American Jersey Association • http://www.usjersey.com • Hoards Dairyman • http://www.hoards.com • World Holstein Friesian Federation • http://www.whff.info

More Related