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 0.51
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -0.47 -0.375 0.18
Prot (kg) -0.53 -0.441 0.23
Fertility Sub Index 2.58
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.52 1.117 0.58
Calving Sub Index -2.00
Gestation Length (days) 2.18 -0.919 -2.00
Beef Sub Index 1.05
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -0.84 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 2.19
Live WT (kg) -7.15 -0.307 2.19
Total Carbon Sub Index 4.32

* Based on an €80/tonne carbon price