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 7.92
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -10.31 -0.375 3.86
Prot (kg) -8.21 -0.441 3.62
Fertility Sub Index -4.20
Calving Interval (days) 1.98 -1.459 -2.89
Survival (%) -1.17 1.117 -1.31
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.38
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 4.35

* Based on an €80/tonne carbon price