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 5.74
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -4.65 -0.375 1.74
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 3.05
Calving Interval (days) -2.39 -1.459 3.49
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 1.21
Gestation Length (days) -1.32 -0.919 1.21
Beef Sub Index 3.93
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) -0.92 -0.432 0.40
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.53

* Based on an €80/tonne carbon price