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 6.81
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.52 -0.375 2.82
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 0.73
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.63 1.117 0.70
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.23
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 10.14

* Based on an €80/tonne carbon price