phenotype – Beef Cattle

September 3, 2019September 3, 2019

How To Get Started With DNA Testing

Alison Van Eenennaam

University of California, Davis

alvaneenennaam@ucdavis.edu

*Click here for printable pdf version

Summary: This fact sheet goes through the fundamentals of how and when producers might use DNA testing in beef …

September 3, 2019September 3, 2019

The Genetics of Horned, Polled and Scurred Cattle

The Genetics of Horned, Polled

and Scurred Cattle

Darrh Bullock

University of Kentucky

dbullock@uky.edu

*Click here for printable pdf version.

Summary: Completely avoiding both horns and scurs in your cowherd is near impossible for most commercial cattle producers. Understanding how …

September 3, 2019September 3, 2019

Genetic Defects

Picture of a group of cattle

Genetic Defects

Alison Van Eenennaam

University of California, Davis

alvaneenennaam@ucdavis.edu

*Click here for printable pdf version.

Summary: Genetic defects are hereditary conditions that result in an undesirable phenotype (i.e. disease or trait). Genetic tests now exist for many of these …

September 3, 2019September 3, 2019

Value of Collecting Phenotypes

Matthew Spangler

University of Nebraska, Lincoln

mspangler2@unl.edu

*Click here for printable pdf version.

Summary: Even when using genomic selection, phenotypes are needed to build EPD accuracy and to retrain genomic predictions.

Introduction

From a historical point …