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 4.48
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -4.06 -0.441 1.79
Fertility Sub Index 2.24
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.68
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 18.32

* Based on an €80/tonne carbon price