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 4.08
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.49 -0.375 1.68
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 0.10
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.81
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 5.91

* Based on an €80/tonne carbon price