Welcome to Echidna

Developed free for non-commercial use. Echidna performs statistical analysis by fitting linear mixed models utilising the Average Information algorithm to estimate variance parameters.

Echidna is targeted for use in animal and plant breeding contexts.

Echidna is...

It is availale for Mac, Linux and Windows 64 bit systems.

There is no charge for using this program but there is a restriction. It may not be used for commercial purposes unless you hold a current ASReml licence.

To download the software, you need to first register, then login and agree to the licence conditions.

Note that this is an ALPHA software release, and is expected to be updated at least monthly. Please check the download page to see when the program was most recently updated.

Patch Notes for Recent Updates

As a measure of functionality, Echidna can now successfully fit 118 of 200 ASReml Test Jobs.

Remember to report any suspicious or wrong results to

July 12 2019; Update 77

July 9 2019; Update 76

July 1 2019; Update 75

June 15 2019; Update 74

May 15 2019; Update 72

May 13 2019; Update 71

April 4 2019; Update 69

March 15 2019; Update 66

March 8 2019; Update 65

February 19 2019; Update 63

January 31 2019; Update 61

January 2 Update 56

November 22 Update 53

October 24 Update 48

Functionality yet to be included includes Factor_Analytic.GRM models, Prediction, VCC constraints.