Local Land Services

Comparison of Merino bloodlines

This report provides Merino sheep enterprises with the results of relative performance trials and advice on setting breeding objectives to improve performance and profitability.

Healthy merino sheep with thick wool looking at the camera

This report builds on previous Merino Bloodline Performance analyses conducted by the Department of Primary Industries and Regional Development and Australian Wool Innovation Limited from 2004 to 2018.

Read the DPIRD Merino Bloodline Performance & Analysis.

The efforts of the individual wether trial committees who collected the information and provided their data to this combined analysis are gratefully acknowledged.

Listen to the podcast

Inside the Merino wether trials

In this episode of Genetics in the Paddock with Emily Johnston, Phil Graham from Graham Advisory and Dr Sue Hatcher from Makin Outcomes unpack the results of the Benchmarking Bloodlines trials.

A producer inspecting a bundle of shorn sheep fleece

Relative performance for fibre diameter, clean fleece weight and liveweight

This comparison of 59 Merino bloodlines for fibre diameter, clean fleece weight and liveweight may be used to aid decisions by commercial Merino producers looki...
Flock of sheep on green pasture with rolling hills

Relative financial performance of Merino bloodlines

An analysis of the relative performances of each Merino bloodline in a self-replacing Merino flock for 3 alternative wether enterprises: lamb finishing, young w...
Flock of merino sheep on green pasture

Benchmarking the genetic performance of a flock

Learn how to use these comparisons of Merino bloodlines to benchmark the genetic performance of a flock, and choose a benchmarking tool to suit your breeding ob...
A Merino sheep being shorn

Using micron premiums for breeding objectives

Advice on how to use micro premiums and fine wool values to establish or refine the breeding objectives of your Merino enterprise.
Type: Research and Information
Author: Local Land Services
Publication Date: 20 November 2025

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Regional and primary industriesLivestock
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