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 7.13
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 2.45
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -0.84
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 8.47

* Based on an €80/tonne carbon price