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 3.26
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 0.65
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.28
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 5.68

* Based on an €80/tonne carbon price