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 3.30
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index -0.34
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.62
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 5.23

* Based on an €80/tonne carbon price