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 3.68
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -3.78 -0.441 1.67
Fertility Sub Index 0.18
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 0.64 1.117 0.72
Calving Sub Index -1.85
Gestation Length (days) 2.01 -0.919 -1.85
Beef Sub Index -5.28
Carcass Weight (kg) 10.40 -0.528 -5.49
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index -5.40
Live WT (kg) 17.60 -0.307 -5.40
Total Carbon Sub Index -8.67

* Based on an €80/tonne carbon price