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 3.23
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -2.47 -0.375 0.93
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 1.04
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.37 1.117 0.41
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.76
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.72 -0.432 1.17
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 16.27

* Based on an €80/tonne carbon price