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 6.57
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 4.27
Calving Interval (days) -2.66 -1.459 3.88
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 1.19
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 18.05

* Based on an €80/tonne carbon price