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 3.49
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index -1.64
Calving Interval (days) 1.24 -1.459 -1.81
Survival (%) 0.15 1.117 0.17
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -1.18
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 8.97 -0.432 -3.87
Maintenance Sub Index Maint. Sub Index 8.00
Live WT (kg) -26.10 -0.307 8.00
Total Carbon Sub Index 9.36

* Based on an €80/tonne carbon price