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 6.71
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -3.90 -0.375 1.46
Prot (kg) -6.50 -0.441 2.87
Fertility Sub Index 1.01
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.30
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.05 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 19.57

* Based on an €80/tonne carbon price