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) -1.00 -0.014 0.01
Fat (kg) 0.26 -0.375 -0.10
Prot (kg) 0.22 -0.441 -0.10
Fertility Sub Index -0.39
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.60
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.61 -0.432 1.13
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 12.29

* Based on an €80/tonne carbon price