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 31.54
Milk (kg) -768.00 -0.014 10.75
Fat (kg) -26.58 -0.375 9.96
Prot (kg) -24.55 -0.441 10.84
Fertility Sub Index 7.52
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 1.27 1.117 1.42
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index 1.62
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -4.36 -0.432 1.88
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 40.29

* Based on an €80/tonne carbon price