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 6.59
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -6.12 -0.375 2.29
Prot (kg) -5.49 -0.441 2.42
Fertility Sub Index 0.43
Calving Interval (days) 0.22 -1.459 -0.32
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.74
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 16.87

* Based on an €80/tonne carbon price