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 2.56
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.03
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 4.08

* Based on an €80/tonne carbon price