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While EBVs aid the selection of breeding stock for specific traits they can also be combined into breeding indexes.
Each trait is weighted within the index according to its economic importance in meeting a specific breeding objective or set of objectives.
The breeding index produced helps breeders to rank sheep.
The Sheepbreeder Service produces several different indexes:
|Index||Main breeds using the index|
|Terminal Sire Index||Charollais, Hampshire Down, Ile de France, Meatlinc, Poll Dorset, Suffolk, Texel Vendeen|
|Maternal Index||Some Lleyn and Poll Dorset flocks|
|Longwool Index||Blue Faced Leicester|
|Welsh Index /
Carcase + Index
|Welsh hill breeds, such as Beulah and Welsh Hardy Speckles and the Lleyn|
|Hill 2 Index||Scottish Blackface and North Country Cheviot|
For more information see our fact sheet Breeding Indexes
In this section
- Technical Information
- Why is Genetic Improvement Important?
- Selecting the Right Ram
- Estimated Breeding Values
- Interpreting Estimated Breeding Values
- Breeding Indexes
- Accuracy Values
- Ultrasound Scanning
- Computed Tomography (CT) Scanning
- Ram Buying Tips
- Performance Recording your Pedigree flock
- Electronic Data Transfer
- Downloading EBV's from the Internet
- Inbreeding - How to Manage it
- Inbreeding - Publications and Resources
- Recessive Inherited Diseases
- On-line Training Package
- Filling in your Ram Sale Cards
- Marketing Breeding Sheep for Better Returns
- Breeding Fit for Purpose Rams - a Blueprint for Breeders
- Print EBV Sale Charts Online
- Recording Lambing Ease and Birth Weight