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 2.25
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -3.28 -0.375 1.23
Prot (kg) -0.70 -0.441 0.31
Fertility Sub Index -0.52
Calving Interval (days) 1.27 -1.459 -1.85
Survival (%) 1.19 1.117 1.33
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index -1.85
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 7.46 -0.432 -3.22
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 5.22

* Based on an €80/tonne carbon price