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 9.84
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -9.01 -0.375 3.37
Prot (kg) -10.84 -0.441 4.78
Fertility Sub Index -1.75
Calving Interval (days) 1.98 -1.459 -2.89
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.04
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) -3.76 -0.432 1.62
Maintenance Sub Index Maint. Sub Index -2.27
Live WT (kg) 7.40 -0.307 -2.27
Total Carbon Sub Index 5.31

* Based on an €80/tonne carbon price