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 3.13
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 0.50
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.32
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.37

* Based on an €80/tonne carbon price