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 10.05
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -14.20 -0.375 5.32
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 1.12
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.64 1.117 0.72
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.63
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 20.83

* Based on an €80/tonne carbon price