Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 23.27
Milk (kg) -465.00 -0.014 6.51
Fat (kg) -21.89 -0.375 8.20
Prot (kg) -19.39 -0.441 8.56
Fertility Sub Index -0.33
Calving Interval (days) 0.87 -1.459 -1.27
Survival (%) 0.84 1.117 0.94
Calving Sub Index -1.72
Gestation Length (days) 1.87 -0.919 -1.72
Beef Sub Index -4.11
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) 5.85 -0.432 -2.53
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 18.92

* Based on an €80/tonne carbon price