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 5.23
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index -1.30
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 2.07
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 11.75

* Based on an €80/tonne carbon price