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 20.14
Milk (kg) -383.00 -0.014 5.36
Fat (kg) -18.70 -0.375 7.00
Prot (kg) -17.62 -0.441 7.78
Fertility Sub Index 6.17
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.06
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 28.72

* Based on an €80/tonne carbon price