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 11.08
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -17.32 -0.375 6.49
Prot (kg) -9.74 -0.441 4.30
Fertility Sub Index 1.54
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.28
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 15.86

* Based on an €80/tonne carbon price