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 2.60
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -3.46 -0.441 1.53
Fertility Sub Index -0.58
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 4.17

* Based on an €80/tonne carbon price