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 3.01
Milk (kg) -99.00 -0.014 1.39
Fat (kg) 2.22 -0.375 -0.83
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index 0.35
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 5.45

* Based on an €80/tonne carbon price