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 1.10
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 1.39
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.54 1.117 0.60
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.89
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -3.04 -0.432 1.31
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 14.67

* Based on an €80/tonne carbon price