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 2.71
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -2.20 -0.375 0.82
Prot (kg) -2.06 -0.441 0.91
Fertility Sub Index 1.91
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 6.48

* Based on an €80/tonne carbon price