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 4.30
Milk (kg) -168.00 -0.014 2.35
Fat (kg) 1.14 -0.375 -0.43
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 0.69
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.03 1.117 0.03
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.25
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index -2.18
Live WT (kg) 7.10 -0.307 -2.18
Total Carbon Sub Index 2.77

* Based on an €80/tonne carbon price