The following technical notes are available:
2010 SIL Index Weightings Current SIL Standard
The SIL standard indexes with their breeding values and their economic weightings together with an explanation of the newest sub-indexes and goal trait groups
2011-Sep - Change to Dag Score Index Weightings Current SIL Standard *** NEW ***
When SIL updated the Dag Score evaluation module that produces eBVs, there were also changes in index weightings.
2008 SIL Index Weightings - currently available for use
SIL standard indexes with their breeding values and their economic weightings together with an explanation of the newest sub-indexes and goal trait groups
Growth & Meat changes - Fact Sheet *** VERY USEFUL ***
Some animals dropped in index when evaluations of Growth & Meat changed in May 2010. This Fact Sheet and a document containing tables of examples describe in detail what changes you can expect to see and how to interpret them.
Growth & Meat changes - Tables of examples *** VERY USEFUL ***
Two tables to accompany the Growth & Meat change Fact Sheet - one for TS sheep and one for DP sheep.
2010 Changes to Growth & Meat indexes
SIL has revised the standard indexes for Growth and Meat to improve useability and to bring in meat yield. Read more by clicking on the above link.
Mid-Micron sheep indexes
Selection to improve mid-micron woolled sheep
Fine wool sheep indexes
Standard SIL indexes for fine wool sheep are detailed in the main document on current SIL indexes. This link takes you to that document.
Accuracy - BVs and indexes
Factors affecting the reliability of breeding values and indexes
From farm measurements to genetic merit
The link between on-farm measurements and estimates of genetic merit
Goal trait registration
In order to genetically evaluate some traits a flock must be registered with a 3rd party service provider. If a flock is not registered, some BVs and indexes may be blank.
Links to related technical notes pages:
Historic SIL Index weightings
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