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 5.72
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -5.93 -0.375 2.22
Prot (kg) -5.20 -0.441 2.30
Fertility Sub Index 1.36
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.46 1.117 0.51
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.66
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.07 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 18.59

* Based on an €80/tonne carbon price