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 4.26
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -3.81 -0.375 1.43
Prot (kg) -4.39 -0.441 1.94
Fertility Sub Index 0.07
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) 0.48 1.117 0.54
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.42
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 13.44

* Based on an €80/tonne carbon price