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 5.86
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -9.20 -0.375 3.45
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 6.91
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 2.40 1.117 2.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.30
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 20.06

* Based on an €80/tonne carbon price