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EchidnaMMS

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

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  • Echidna Build 1.99 Jul 15 2025
  • Echidna Build 1.98 July 10, 2025
  • Echidna Build 1.97 May 1 2025
  • Echidna Build 1.96 Jan 29, 2025
  • Echidna Build 1.95 JAN 10 2025

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Category: Uncategorized

  • 04/06/202404/06/2024
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Echidna Build 1.88 June 3 2024

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!CONTINUE will read .msv file if no .esv file available. Fix bugs pre-processing !r !{ at(Trait,1).SLS0.(Dam Sire) at(Trait,2).(ID Dam) Zero.ID xfa1(4).ID !} GRM file line qualifier !UDU (!MT or !TM Transform Model) implemented at(Exp).grm(Geno|Fld) model term expansion extended to allow 3 instances,and to allow an […]

Continue Reading Echidna Build 1.88 June 3 2024
  • 05/04/202405/04/2024
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Echidna Build 1.86 Apr 5 2024

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at(Exp).grm(Geno|Fld) expands to a set of model terms, 1 for each Experimentwith a reduced GRM file containing just those Genotypes present in the relevant field;where Exp is nested in Fld. residual sat(Exp !VPGROUP Fld).ar1(Row).ar1(Column) applies constrants so that the variance parameters estimated are the same […]

Continue Reading Echidna Build 1.86 Apr 5 2024
  • 21/02/202421/02/2024
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Echidna Build 1.85 Feb 21 2024

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Recently detected bugs fixed model function rrdi(Exp) is treated as shorthand so that rrd2(Exp).grm(Geno) is replaced by rr2(Exp).grm(Geno) + diag(Exp).grm(Geno). This is a sparser formulation of a factor analytic model that the equivalent xfa2(Exp).grm(Geno).

Continue Reading Echidna Build 1.85 Feb 21 2024
  • 05/01/202405/01/2024
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Echidna Build 1.83 Jan 5 2024

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The GRM !TRIM option has been reviewed and improved. Other small bugs have been fixed. You can access my annual family newsletter at www.cargovale.com.au/Christmas2023.pdf May you experience the grace of God through Jesus Christ in 2024.

Continue Reading Echidna Build 1.83 Jan 5 2024
  • 01/12/202301/12/2023
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Dec 1 2023 Echidna Build 1.81

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I wish all who read this a Happy Christmas, rejoicing that Jesus will return and bring Peace to earth when Israel acknowledges He is their Messiah. This build has recently discovered bugs fixed and runs a little faster on larger jobs. I recommend you upgrade, […]

Continue Reading Dec 1 2023 Echidna Build 1.81
  • 17/10/202317/10/2023
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Oct 16, 2023 Echidna build 1.80

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Fixed bug of not reinitializing Qualifiers when cycling through models using !RE(NAME/RUN) Default equation ordering improved

Continue Reading Oct 16, 2023 Echidna build 1.80
  • 29/09/202329/09/2023
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Sept 28 2023 Build 1.79

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Add !SPLIT qualifier to PREDICT statementThis splits the .epv file into multiple files indexed by thePREDICT statement number (xx), writing the primary predict tableto a file …_PCT_ii.epv and all other associated output to a file…_PCH_ii.epv. The PVT file can be easily loaded into R or […]

Continue Reading Sept 28 2023 Build 1.79
  • 03/08/202303/08/2023
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Echidna build 1.78 3 August 2023

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The equation ordering algorithm has been updated which should allow larger jobs to run faster.

Continue Reading Echidna build 1.78 3 August 2023
  • 17/05/202317/05/2023
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May 17 2023 Build 1.77

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Improved equation ordering for GRM models Miscellaneous bug fixes and improved coding checks.

Continue Reading May 17 2023 Build 1.77
  • 03/03/202303/03/2023
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March 3, 2023 Build 1.76

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Form GRM matrix from marker (.grr) file as per ASReml code including Additive, Dominance and A*A, A*D and D*D relationship matrices. A Revised GBLUP and QTL document in Resources section discusses most of the GBLUP and QTL options in ASReml and/or Echidna Fixed bug calculating […]

Continue Reading March 3, 2023 Build 1.76

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Latest News

  • Echidna Build 1.99 Jul 15 2025
  • Echidna Build 1.98 July 10, 2025
  • Echidna Build 1.97 May 1 2025
  • Echidna Build 1.96 Jan 29, 2025
  • Echidna Build 1.95 JAN 10 2025

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