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 2.40
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -0.86 -0.375 0.32
Prot (kg) -3.21 -0.441 1.42
Fertility Sub Index -1.25
Calving Interval (days) 0.93 -1.459 -1.36
Survival (%) 0.10 1.117 0.11
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.53
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 3.15

* Based on an €80/tonne carbon price