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 3.78
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index 0.42
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 4.40

* Based on an €80/tonne carbon price