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 3.68
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -4.86 -0.375 1.82
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 1.15
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.31 1.117 0.35
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 3.04
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.61 -0.432 1.56
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 15.53

* Based on an €80/tonne carbon price