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 3.32
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index -0.04
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) -0.40 1.117 -0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.39
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 5.16

* Based on an €80/tonne carbon price