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 1.93
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -1.81 -0.375 0.68
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index -3.47
Calving Interval (days) 1.61 -1.459 -2.35
Survival (%) -1.00 1.117 -1.12
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.17
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index -0.30

* Based on an €80/tonne carbon price