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 3.25
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index 0.35
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 1.13
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 8.19

* Based on an €80/tonne carbon price