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 1.28
Milk (kg) 7.00 -0.014 -0.10
Fat (kg) -4.15 -0.375 1.55
Prot (kg) 0.41 -0.441 -0.18
Fertility Sub Index 0.17
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) 0.35 1.117 0.39
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.47
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 5.85

* Based on an €80/tonne carbon price