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 4.17
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.51
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -1.97
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.60 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 8.29

* Based on an €80/tonne carbon price