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 2.35
Milk (kg) 168.00 -0.014 -2.35
Fat (kg) -7.20 -0.375 2.70
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 0.50
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.34
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 3.70

* Based on an €80/tonne carbon price