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 5.20
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -4.64 -0.441 2.05
Fertility Sub Index 1.02
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.35 1.117 0.39
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.55
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -2.60 -0.432 1.12
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 17.95

* Based on an €80/tonne carbon price