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 -0.18
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 0.21 -0.375 -0.08
Prot (kg) 0.16 -0.441 -0.07
Fertility Sub Index -0.40
Calving Interval (days) 0.28 -1.459 -0.41
Survival (%) 0.01 1.117 0.01
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.43
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.38 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price