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 0.49
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -0.39 -0.441 0.17
Fertility Sub Index 1.15
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index 0.03
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 4.77

* Based on an €80/tonne carbon price