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 3.21
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.83 -0.375 0.69
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index 2.71
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) 2.27 1.117 2.54
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.46
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 11.31

* Based on an €80/tonne carbon price