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 8.02
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -9.09 -0.441 4.01
Fertility Sub Index -4.30
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) -2.35 1.117 -2.63
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index -1.25
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 7.05 -0.432 -3.04
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 5.67

* Based on an €80/tonne carbon price