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 6.08
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -6.63 -0.441 2.93
Fertility Sub Index 0.36
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.30
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 4.10 -0.432 -1.77
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 4.31

* Based on an €80/tonne carbon price