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 5.34
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 1.47
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.49
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -2.48 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 19.29

* Based on an €80/tonne carbon price