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 7.64
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -9.55 -0.441 4.21
Fertility Sub Index -0.06
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.95
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price