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 20.28
Milk (kg) -393.00 -0.014 5.50
Fat (kg) -19.45 -0.375 7.29
Prot (kg) -16.97 -0.441 7.49
Fertility Sub Index 1.27
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.31
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 25.15

* Based on an €80/tonne carbon price