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 9.03
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -8.85 -0.375 3.31
Prot (kg) -8.51 -0.441 3.76
Fertility Sub Index 0.54
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) -0.68 1.117 -0.76
Calving Sub Index 1.54
Gestation Length (days) -1.67 -0.919 1.54
Beef Sub Index 2.85
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) -0.24 -0.432 0.10
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 18.03

* Based on an €80/tonne carbon price