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 12.73
Milk (kg) -232.00 -0.014 3.25
Fat (kg) -12.63 -0.375 4.73
Prot (kg) -10.77 -0.441 4.75
Fertility Sub Index 1.02
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.72
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price