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 4.23
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 1.47
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.30
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.55 -0.432 0.67
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 17.99

* Based on an €80/tonne carbon price