Genetic Indexes

Indexes, API & TI

Genetic Indexes

March 26, 2019

Selection Indexes Coordinated by Wade Shafer, Ph.D

Comparison of Selection Indices

[printfriendly] A highly qualified panel, representing beef, poultry, pork, and diary industries, compare notes on selection. Coordinated by Wade Shafer, ASA Director of Performance Programs The Register: Would you give us a brief history of the economic selection index in your industry? Dr. Alan…

March 21, 2019

Selection Indexes ASA

Indexes

$API What is an Economic Selection Index? Economic Selection Indexes are the universally accepted means of maximizing profit via selection in livestock production. Economic Selection Indexes provide a single value, reported in dollars, that estimate an animal’s relative economic value as a parent…

Economically Relevant Traits

Economic Relevant Triaits

March 25, 2019

Economically Relevant Traits ASA

Part 1: Increasing The Effectiveness of ASA’s Genetic-Evaluation System

[printfriendly] Wade Shafer, Director of Performance Program Part 1: Economically—Relevant Traits There has been a dramatic increase in the number of traits quantiﬁed by EPDs since the early years of genetic evaluation. The ASA currently publishes EPD on 15 traits and more are in the hopper. This…

March 22, 2019

Economically Relevant Traits ASA

Part II: Introducing the Economic Selection Index

[printfriendly] By Wade Shafer, Ph.D., EVP American Simmental Association As I mentioned in part one, we are on a mission to increase the effectiveness of our genetic evaluation system by decreasing its complexity. Discussion in the June/July issue focused on narrowing our array of EPDs to…

March 21, 2019

Economically Relevant Traits ASA

ERT - Economically Relevant Traits

Economically relevant traits (ERTs) are those that are directly associated with either a cost or a source of revenue. Several EPDs represent traits that are not ERTs and instead represent indicator traits (i.e., traits that may be genetically related to indicator traits.) It is critical to focus on…

Comparison of Selection Indices

Indexes

Part 1: Increasing The Effectiveness of ASA’s Genetic-Evaluation System

Part II: Introducing the Economic Selection Index

ERT - Economically Relevant Traits

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