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 2.17
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index 0.90
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 4.18

* Based on an €80/tonne carbon price