Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.65
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index -1.51
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.65
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 1.51

* Based on an €80/tonne carbon price