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 2.56
Milk (kg) -126.00 -0.014 1.76
Fat (kg) 0.77 -0.375 -0.29
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index -0.18
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.30 1.117 0.34
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 0.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 3.33

* Based on an €80/tonne carbon price