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 9.80
Milk (kg) -469.00 -0.014 6.57
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -8.35 -0.441 3.69
Fertility Sub Index 1.71
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.24 1.117 0.27
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index -0.27
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 6.85 -0.432 -2.96
Maintenance Sub Index Maint. Sub Index 9.44
Live WT (kg) -30.80 -0.307 9.44
Total Carbon Sub Index 21.24

* Based on an €80/tonne carbon price