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 6.43
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -7.12 -0.375 2.67
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 7.11
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 1.35 1.117 1.51
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -1.94
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) -3.20 -0.432 1.38
Maintenance Sub Index Maint. Sub Index -1.96
Live WT (kg) 6.40 -0.307 -1.96
Total Carbon Sub Index 8.43

* Based on an €80/tonne carbon price