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 4.68
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -4.20 -0.375 1.57
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 0.56
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) 0.23 1.117 0.26
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.23
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 15.23

* Based on an €80/tonne carbon price