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 490
Friesian 143
Ayrshire 107
Jersey 247
Guernsey 0
Shorthorn 0
Montbeliarde 108
Fleckvieh 125
Brown Swiss 173
£ACI All 255
£SCI All 182

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 2021 young genomic and daughter proven lists available from AHDB Dairy.


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