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 5.07
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index 0.58
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 0.62 1.117 0.69
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.66
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 13.59

* Based on an €80/tonne carbon price