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 3.76
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 1.27 -0.375 -0.48
Prot (kg) -9.41 -0.441 4.15
Fertility Sub Index 1.46
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 6.34

* Based on an €80/tonne carbon price