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 8.40
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -10.18 -0.375 3.81
Prot (kg) -9.12 -0.441 4.03
Fertility Sub Index -10.83
Calving Interval (days) 5.76 -1.459 -8.40
Survival (%) -2.17 1.117 -2.42
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index 0.84
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 4.40 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 2.05

* Based on an €80/tonne carbon price