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 3.88
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index -2.28
Calving Interval (days) 1.70 -1.459 -2.48
Survival (%) 0.18 1.117 0.20
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 12.54

* Based on an €80/tonne carbon price