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 4.60
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.13
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.55 1.117 -0.61
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -1.85
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 4.41 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 9.16

* Based on an €80/tonne carbon price