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 4.07
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -4.98 -0.375 1.87
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index -0.71
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.51
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -1.79 -0.432 0.77
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 13.35

* Based on an €80/tonne carbon price