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 4.39
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index 1.19
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.29
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 15.47

* Based on an €80/tonne carbon price