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 7.67
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -9.11 -0.375 3.41
Prot (kg) -5.55 -0.441 2.45
Fertility Sub Index 1.74
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.63 1.117 0.70
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.82
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 19.59

* Based on an €80/tonne carbon price