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 1.15
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -0.22 -0.375 0.08
Prot (kg) -1.02 -0.441 0.45
Fertility Sub Index 1.83
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 0.61 1.117 0.68
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.20
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.30 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 13.88

* Based on an €80/tonne carbon price