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 4.88
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index -1.70
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) -1.00 1.117 -1.12
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.81
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.71 -0.432 1.17
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 15.27

* Based on an €80/tonne carbon price