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 2.15
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -1.96 -0.441 0.87
Fertility Sub Index 2.43
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.78
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.46 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 16.10

* Based on an €80/tonne carbon price