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 4.93
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 0.27
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index -0.31
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.53 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 6.28

* Based on an €80/tonne carbon price