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 4.39
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 1.08
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.43
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.56

* Based on an €80/tonne carbon price