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 3.16
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.38 -0.375 0.52
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -0.26
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.08 1.117 0.09
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.67
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.39 -0.432 1.03
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 15.79

* Based on an €80/tonne carbon price