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 2.64
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 0.57
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.66
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -0.07 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 5.33

* Based on an €80/tonne carbon price