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 7.96
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -14.39 -0.375 5.39
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index -0.28
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) 0.22 1.117 0.25
Calving Sub Index 1.69
Gestation Length (days) -1.84 -0.919 1.69
Beef Sub Index 1.85
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 15.28

* Based on an €80/tonne carbon price