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 1.51
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.37 -0.441 0.60
Fertility Sub Index 0.64
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.18 1.117 0.20
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.07
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.74 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 14.31

* Based on an €80/tonne carbon price