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 4.70
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index -1.44
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -1.75
Gestation Length (days) 1.90 -0.919 -1.75
Beef Sub Index -3.71
Carcass Weight (kg) 9.20 -0.528 -4.85
Age of Slaughter (days) -2.65 -0.432 1.14
Maintenance Sub Index Maint. Sub Index -6.41
Live WT (kg) 20.90 -0.307 -6.41
Total Carbon Sub Index -8.61

* Based on an €80/tonne carbon price