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 1.71
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -0.68 -0.375 0.25
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index -6.27
Calving Interval (days) 3.15 -1.459 -4.60
Survival (%) -1.50 1.117 -1.68
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.18
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index -3.22

* Based on an €80/tonne carbon price