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 6.58
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -8.79 -0.441 3.88
Fertility Sub Index -5.74
Calving Interval (days) 2.78 -1.459 -4.06
Survival (%) -1.51 1.117 -1.69
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index -0.45
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 3.13 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 0.25

* Based on an €80/tonne carbon price