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 2.54
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -0.82 -0.375 0.31
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index 2.32
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.68 1.117 0.76
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.20
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.24 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 14.15

* Based on an €80/tonne carbon price