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 2.94
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index -0.83
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 4.21

* Based on an €80/tonne carbon price