Chapter 2

WOMBAT is available only on a help-yourself basis, via downloading from

Material available comprises the compiled program (‘executable’), together with these User Notes and a suite of worked examples.

WOMBAT has been developed under and is meant for a Linux operating system. Highly optimised executables are available for this environment that are suitable for large analyses.

In addition, a Windows versions are provided – best to be run in a CMD window.

  Conditions of use

Conditions of use

WOMBAT is available to the scientific community free of charge. Users are required, however, to credit its use in any publications.

Suggested (preferred) form of citation:

Meyer, K. (2007). WOMBAT – A tool for mixed model analyses in quantitative genetics by REML, J. Zhejiang Uni. SCIENCE B 8: 815–821. [doi:10.1631/jzus.2007.B0815]


Meyer, K. (2006). WOMBAT – Digging deep for quantitative genetic analyses by restricted maximum likelihood. Proc. 8th World Congr. Genet. Appl. Livest. Prod., Communication No. 27–14.

Meyer, K. (2006). WOMBAT – A program for mixed model analyses by restricted maximum likelihood. User notes.
Animal Genetics and Breeding Unit, Armidale, n  pp.

All material is provided on an ‘as is’ basis. There is no user support service, i.e. this manual is the only help available !


While every effort has been made to ensure that WOMBAT does what it claims to do, there is absolutely no guarantee that the results provided are correct.

Use of WOMBAT is entirely at your own risk !