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 3.80
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -3.47 -0.375 1.30
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 2.20
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.18
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 16.37

* Based on an €80/tonne carbon price