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 4.58
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index -4.39
Calving Interval (days) 3.41 -1.459 -4.98
Survival (%) 0.52 1.117 0.58
Calving Sub Index 2.04
Gestation Length (days) -2.22 -0.919 2.04
Beef Sub Index 2.84
Carcass Weight (kg) -9.40 -0.528 4.96
Age of Slaughter (days) 4.90 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 11.49

* Based on an €80/tonne carbon price