How to select your mating sires

When selecting bulls to use on your herd we recommend using only those with a £PLI, £SCI or £ACI greater than the below figures:

Index Breed Minimum for top 50%
£PLI Holstein 533
Friesian 131
Ayrshire 116
Jersey 195
Guernsey 0
Shorthorn 0
Montbeliarde 121
Fleckvieh 164
Brown Swiss 143
£ACI All 234
£SCI All 204

This table will be updated following each full UK genetic and genomic evaluation run in April, August and December. Current figures are calculated from August 2023 young genomic and daughter proven lists available from AHDB Dairy.


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