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 12.02
Milk (kg) -253.00 -0.014 3.54
Fat (kg) -11.76 -0.375 4.40
Prot (kg) -9.23 -0.441 4.07
Fertility Sub Index 0.25
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.01
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 20.67

* Based on an €80/tonne carbon price