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 4.61
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -4.41 -0.375 1.65
Prot (kg) -4.32 -0.441 1.91
Fertility Sub Index -0.52
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) -0.75 1.117 -0.84
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.27
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -1.11 -0.432 0.48
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 8.04

* Based on an €80/tonne carbon price