Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 2.53
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index 0.43
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.19
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 5.21

* Based on an €80/tonne carbon price