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 9.86
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -9.94 -0.375 3.72
Prot (kg) -8.58 -0.441 3.79
Fertility Sub Index 3.72
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 0.13 1.117 0.15
Calving Sub Index 1.16
Gestation Length (days) -1.26 -0.919 1.16
Beef Sub Index 0.77
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 18.20

* Based on an €80/tonne carbon price