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 3.73
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 0.18
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 1.63
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 9.44

* Based on an €80/tonne carbon price