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 4.86
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 1.16
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 7.40

* Based on an €80/tonne carbon price