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 13.05
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -15.90 -0.375 5.96
Prot (kg) -11.23 -0.441 4.96
Fertility Sub Index -1.32
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) 0.16 1.117 0.18
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.86
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.18 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price