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 4.73
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) -6.17 -0.375 2.31
Prot (kg) -5.83 -0.441 2.57
Fertility Sub Index -2.22
Calving Interval (days) 1.55 -1.459 -2.26
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.96
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index -0.67
Live WT (kg) 2.20 -0.307 -0.67
Total Carbon Sub Index 2.33

* Based on an €80/tonne carbon price