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 7.87
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -7.32 -0.375 2.74
Prot (kg) -8.83 -0.441 3.90
Fertility Sub Index -2.78
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -0.88 1.117 -0.98
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.55
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 6.02

* Based on an €80/tonne carbon price