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 2.42
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -1.34 -0.375 0.50
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 1.23
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.36 1.117 0.40
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.04
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.64 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 12.92

* Based on an €80/tonne carbon price