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 7.24
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -11.03 -0.441 4.87
Fertility Sub Index 1.48
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.29
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 10.66

* Based on an €80/tonne carbon price