Merino Sire Evaluation (MSE) commenced in Australia in 1989 and since then, has been at the forefront of genetic progress in the Merino industry. MSE trials have driven genetic gain by providing ram breeders access to the latest information and results that promote profitability.
There are currently 9 MSE trials across Australia and all these trials are linked through the use of common sires. In WA, the Federation of Performance Sheep Breeders WA is the incorporated body that manages sire evaluation programs for WA stud breeders.
Yardstick was the first MSE trial in WA, commencing in 1993 and has been hosted at research facilities in Mt Barker, Katanning and on-farm. Since 2016, Yardstick has been hosted at our Katanning Research Station.
Project aims
- Produce and assess performance lambs – Coordinate a cohort from nominated sires and measure their progeny through to 18-month (hogget) assessment, including mating design, data collection, genotyping, and all animal management, welfare, and compliance requirements.
- Deliver quality data – Submit performance and genetic data to the MSE database in line with agreed timelines and protocols.
- Support co-investment and collaboration – Grow participation and funding by enabling aligned R&D projects and increasing breeder contributions through mechanisms such as royalties, entry fees, and approved data contributions.
Yardstick Drop updates
The 2025 update offers a snapshot of the results collected so far on the 2025 Drop at the Yardstick trial, which is a collaboration of the Federation of Performance Sheep Breeders WA (Inc), local breeders, industry representatives and hosted by DPIRD, Katanning.
The information in the site report provides the results of the assessment of the 2024 drop, including the Hogget assessments of the sire’s progeny performance for measured and visually assessed traits.
Contact us
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John Paul CollinsSenior Research Scientist