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 3.21
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.21 -0.375 0.45
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index 1.09
Calving Interval (days) -0.38 -1.459 0.55
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.34
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.84 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 13.48

* Based on an €80/tonne carbon price