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 446
Friesian 157
Ayrshire 199
Jersey 213
Guernsey 0
Shorthorn 0
Montbeliarde 110
Fleckvieh 86
Brown Swiss 152
£ACI All 307
£SCI All 210

This table will be updated following each full UK genetic and genomic evaluation run in April, August and December.  Current figures are calculated from December 2020 young genomic and daughter proven lists available from AHDB Dairy.


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