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 5.65
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index -1.89
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) 0.02 1.117 0.02
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.45
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 8.60 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 9.78
Live WT (kg) -31.90 -0.307 9.78
Total Carbon Sub Index 14.61

* Based on an €80/tonne carbon price