AIP Software: MTGSAM
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MTDFREML: Multiple-trait derivative-free restricted maximum likelihood

Welcome to the multiple-trait derivative-free restricted maximum likelihood (MTDFREML) home page. The programs were developed by Keith Boldman and Dale Van Vleck. Evolutionary development and debugging support have also been provided by by Lisa Kriese and Curt Van Tassell.

Please contact Curt Van Tassell (e-mail or Dale Van Vleck. (e-mail with any problems with the programs or discovered bugs.


Please direct questions, comments, and program problems to Curt Van Tassell.

Last Modified: 01/12/2017