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 4.38
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 1.46
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.33 1.117 0.37
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index -0.80
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 4.18 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 11.57

* Based on an €80/tonne carbon price