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 2.88
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -1.02 -0.375 0.38
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index 2.08
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.03
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.42 -0.432 0.18
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 16.78

* Based on an €80/tonne carbon price