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 12.18
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -15.29 -0.375 5.73
Prot (kg) -8.79 -0.441 3.88
Fertility Sub Index 1.23
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.27
Gestation Length (days) 1.38 -0.919 -1.27
Beef Sub Index -2.33
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 7.85 -0.432 -3.39
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 15.47

* Based on an €80/tonne carbon price