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 1.32
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -1.02 -0.375 0.38
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index -3.70
Calving Interval (days) 1.88 -1.459 -2.74
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -0.36
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 5.96 -0.432 -2.57
Maintenance Sub Index Maint. Sub Index -0.18
Live WT (kg) 0.60 -0.307 -0.18
Total Carbon Sub Index -2.57

* Based on an €80/tonne carbon price