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 1.00
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -1.06 -0.441 0.47
Fertility Sub Index 7.51
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index -0.15
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 11.05

* Based on an €80/tonne carbon price