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 3.82
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -3.93 -0.375 1.47
Prot (kg) -4.03 -0.441 1.78
Fertility Sub Index 1.30
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.68
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 5.70

* Based on an €80/tonne carbon price