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) -58.00 -0.014 0.81
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index -0.82
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) -1.11 1.117 -1.24
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 3.57
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 16.18

* Based on an €80/tonne carbon price