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 1.28
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -3.38 -0.375 1.27
Prot (kg) 0.70 -0.441 -0.31
Fertility Sub Index -0.03
Calving Interval (days) 0.14 -1.459 -0.20
Survival (%) 0.16 1.117 0.18
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -3.37
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 5.37 -0.432 -2.32
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 3.39

* Based on an €80/tonne carbon price