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 4.79
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index -1.47
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.04
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 4.68 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 3.90

* Based on an €80/tonne carbon price