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 -4.86
Milk (kg) -22.00 -0.014 0.31
Fat (kg) 7.53 -0.375 -2.82
Prot (kg) 5.32 -0.441 -2.35
Fertility Sub Index -0.03
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) -0.56 1.117 -0.63
Calving Sub Index 2.56
Gestation Length (days) -2.78 -0.919 2.56
Beef Sub Index -0.35
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -1.33

* Based on an €80/tonne carbon price