AIP Software: MTGSAM
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NOTE: This page has been moved to the ARS website. For the current version, go to

MTGSAM: Multiple-Trait Gibbs Sampler for Animal Models

Welcome to the multiple-trait Gibbs sampler for animal models (MTGSAM) home page. The program was developed by Curt Van Tassell and Dale Van Vleck at USDA's Roman L. Hruska U.S. Meat Animal Research Center. We hope you find the programs useful.

  • README file – Information about obtaining the program and manual
  • Changes file – Information about modifications to MTGSAM files
  • GISAB-L – Subscribe or unsubscribe to a list server for Gibbs sampling in animal breeding


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

Last Modified: 08/12/2021