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 7.33
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -6.90 -0.375 2.58
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index -4.82
Calving Interval (days) 2.29 -1.459 -3.34
Survival (%) -1.32 1.117 -1.47
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.17
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 4.78

* Based on an €80/tonne carbon price