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 12.10
Milk (kg) -415.00 -0.014 5.81
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -9.99 -0.441 4.41
Fertility Sub Index -1.37
Calving Interval (days) 1.10 -1.459 -1.60
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.28
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 7.17
Live WT (kg) -23.40 -0.307 7.17
Total Carbon Sub Index 17.39

* Based on an €80/tonne carbon price