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 13.24
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -13.16 -0.375 4.93
Prot (kg) -10.68 -0.441 4.71
Fertility Sub Index 10.28
Calving Interval (days) -5.86 -1.459 8.55
Survival (%) 1.55 1.117 1.73
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.01
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) -1.32 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 24.46

* Based on an €80/tonne carbon price