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 2.09
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -2.36 -0.375 0.88
Prot (kg) 0.02 -0.441 -0.01
Fertility Sub Index 1.14
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.51
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) -0.55 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 15.08

* Based on an €80/tonne carbon price