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 6.83
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -6.57 -0.375 2.46
Prot (kg) -6.15 -0.441 2.71
Fertility Sub Index -4.06
Calving Interval (days) 1.95 -1.459 -2.85
Survival (%) -1.09 1.117 -1.22
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.10
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price