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 2.37
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -1.52 -0.375 0.57
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 2.31
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 6.27

* Based on an €80/tonne carbon price