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 2.73
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index 1.87
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.55
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.11 -0.432 0.91
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 17.34

* Based on an €80/tonne carbon price