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 2.68
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index 0.85
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.30 1.117 0.34
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.16
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.45 -0.432 0.63
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 14.84

* Based on an €80/tonne carbon price