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 4.88
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 1.57
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.85
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 17.57

* Based on an €80/tonne carbon price