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 5.35
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -3.61 -0.375 1.35
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 0.16
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.19
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price