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 13.16
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -14.07 -0.375 5.27
Prot (kg) -14.17 -0.441 6.25
Fertility Sub Index -4.50
Calving Interval (days) 1.66 -1.459 -2.42
Survival (%) -1.86 1.117 -2.08
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.10
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 9.76

* Based on an €80/tonne carbon price