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 4.50
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -2.37 -0.375 0.89
Prot (kg) -3.74 -0.441 1.65
Fertility Sub Index 1.94
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.54
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.14 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 8.41

* Based on an €80/tonne carbon price