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Category: Beef breeding and genetics

Posted on September 3, 2019September 4, 2019

Recent Changes to National Cattle Evaluation

Cattle in a field

Recent Changes to National Cattle Evaluation

  • Matthew Spangler
  • University of Nebraska, Lincoln
  • mspangler2@unl.edu

*Click here for a printable pdf version.

Single-step genetic evaluations have become a reality for several beef breed associations, with the expectation that more will adopt single-step …

Posted on September 3, 2019September 4, 2019

2017 Across-Breed EPD Table & Improvements

Cattle in field

2017 Across-Breed EPD Table & Improvements

  • Larry Kuehn and Mark Thallman
  • U.S. Meat Animal Research Center
  • Larry.Kuehn@ars.usda.gov, Mark.Thallman@ars.usda.gov

*Click here for printable pdf version.

Across-Breed EPD (ABEPD) Adjustment Factors: National Cattle Evaluation (NCE), and the resulting Expected Progeny Differences …

Posted on September 3, 2019September 3, 2019

Selection for Improved Feed Efficiency: Comparison of Different Indices


cattle grazing at feed bunk    Selection for Improved Feed Efficiency:

    Comparison of Different Indices

     Mark Thallman

     U.S. Meat Animal Research Center

     Mark.Thallman@ars.usda.gov

 

*Click here for printable pdf version.

Feed efficiency is one of the most economically important traits in beef production and is sufficiently heritable …

Posted on September 3, 2019September 3, 2019

Crossbreeding for the Commercial Beef Producer


picture of cows in pasture

  Crossbreeding for the Commercial Beef Producer

   Alison Van Eenennaam

   University of California, Davis

   alvaneenennaam@ucdavis.edu

 

*Click here for printable pdf.

Summary: Crossbreeding in the commercial beef industry is an important management practice.  The benefits include being able to utilize breeds that …

Posted on September 3, 2019September 3, 2019

Hair shedding scores: A tool to select heat tolerant cattle


Picture of herd of cattle   Hair shedding scores: A tool to select heat tolerant cattle

   Jared E. Decker

   University of Missouri, DeckerJE@missouri.edu

   Jane Parish

   Mississippi State University, j.parish@msstate.edu

   

*Click here for printable pdf.

Summary: Hair shedding scores are an easy and effective way to measure …

Posted on September 3, 2019September 3, 2019

Simple Inheritance in Beef Cattle


cattle in pasture

   

    Simple Inheritance in Beef Cattle

     Darrh Bullock

     University of Kentucky

     dbullock@uky.edu

 

Click here for printable pdf.

Summary: Managing traits that are controlled by simple inheritance has economic importance to many beef operations. Understanding simple inheritance can assist producers in breeding …

Posted on September 3, 2019September 3, 2019

Parentage Testing


Cow and calf   

    Parentage Testing

     Megan Rolf

     Kansas State University

     megrolf@ksu.edu 

 

*Click here for printable pdf.

Summary: Parentage testing can be a valuable tool for both seedstock breeders and commercial producers.  This fact sheet covers how parentage testing works and tips for using …

Posted on September 3, 2019September 3, 2019

Economically Relevant Traits


steer looking over fence   Economically Relevant Traits

   Matthew Spangler

   University of Nebraska

   mspangler2@unl.edu

 

 

*Click here for printable pdf version.

Summary: Economically relevant traits (ERTs) are those that are directly associated with either a cost or a source of revenue.  Not all Expected Progeny …

Posted on September 3, 2019September 3, 2019

How To Get Started With DNA Testing


Cattle in field   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 …

Posted on September 3, 2019September 3, 2019

Recent Developments in Genetic Evaluations and Genomic Testing


cattle at sunset

   Recent Developments in Genetic Evaluations and Genomic Testing

    Alison Van Eenennaam

    University of California, Davis

    alvaneenennaam@ucdavis.edu

 

 

*Click here for printable pdf version.

Summary: The application of genomics to improve the accuracy of EPDs is a rapidly developing field. There are

…

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This is a national Cooperative Extension resource

This work is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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