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 2.35
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -6.88 -0.375 2.58
Prot (kg) 2.52 -0.441 -1.11
Fertility Sub Index -1.77
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) -0.80 1.117 -0.89
Calving Sub Index 2.35
Gestation Length (days) -2.56 -0.919 2.35
Beef Sub Index 0.37
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -2.68 -0.432 1.16
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 5.38

* Based on an €80/tonne carbon price