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 6.80
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -5.80 -0.441 2.56
Fertility Sub Index 1.06
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.75 1.117 0.84
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -2.29
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 8.60 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 10.76

* Based on an €80/tonne carbon price