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 4.21
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -2.41
Calving Interval (days) 1.18 -1.459 -1.72
Survival (%) -0.62 1.117 -0.69
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index -0.84
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 7.05

* Based on an €80/tonne carbon price