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 6.20
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -5.54 -0.441 2.45
Fertility Sub Index -1.54
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) -0.40 1.117 -0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.79
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price