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 4.16
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -4.53 -0.375 1.70
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 1.89
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 7.45

* Based on an €80/tonne carbon price