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 4.21
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index -6.82
Calving Interval (days) 3.45 -1.459 -5.03
Survival (%) -1.60 1.117 -1.79
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -0.48
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.16 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -2.78

* Based on an €80/tonne carbon price