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 6.06
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -5.45 -0.441 2.41
Fertility Sub Index -0.02
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) 0.05 1.117 0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.05
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.07 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 14.73

* Based on an €80/tonne carbon price