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 5.24
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.23 -0.375 1.96
Prot (kg) -4.77 -0.441 2.11
Fertility Sub Index 2.02
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) -0.20 1.117 -0.22
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 1.54
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 12.67

* Based on an €80/tonne carbon price