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 2.72
Milk (kg) -132.00 -0.014 1.85
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index -0.22
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.31
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 3.32

* Based on an €80/tonne carbon price