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 6.68
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -5.16 -0.375 1.93
Prot (kg) -7.01 -0.441 3.09
Fertility Sub Index 1.28
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.43
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price