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 2.49
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -0.12 -0.441 0.05
Fertility Sub Index 1.25
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.46
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 13.83

* Based on an €80/tonne carbon price