How to select your mating sires

Published 8 October 19

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 529
Friesian 257
Ayrshire 250
Jersey 247
Guernsey 0
Shorthorn 227
Montbeliarde 160
Fleckvieh 181
Brown Swiss 207
£ACI All 351
£SCI All 233

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 2019 young genomic and daughter proven lists available from AHDB Dairy.