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 6.27
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -7.62 -0.375 2.85
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index -0.23
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 1.67
Gestation Length (days) -1.82 -0.919 1.67
Beef Sub Index -0.42
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 9.74

* Based on an €80/tonne carbon price