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 13.46
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -11.84 -0.375 4.43
Prot (kg) -13.40 -0.441 5.91
Fertility Sub Index -1.49
Calving Interval (days) 1.00 -1.459 -1.46
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index -3.47
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 5.11 -0.432 -2.21
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 8.55

* Based on an €80/tonne carbon price