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 4.11
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -2.34 -0.375 0.88
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index -3.45
Calving Interval (days) 2.08 -1.459 -3.03
Survival (%) -0.37 1.117 -0.41
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.43
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 2.81

* Based on an €80/tonne carbon price