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 7.66
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -8.40 -0.375 3.15
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 0.87
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -0.24
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 13.35

* Based on an €80/tonne carbon price