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 4.30
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -2.35 -0.375 0.88
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index -5.77
Calving Interval (days) 3.10 -1.459 -4.52
Survival (%) -1.12 1.117 -1.25
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.30
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index -0.75

* Based on an €80/tonne carbon price