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 2.81
Milk (kg) -159.00 -0.014 2.23
Fat (kg) 2.37 -0.375 -0.89
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 2.32
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 0.26 1.117 0.29
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 1.11
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.92 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 10.47

* Based on an €80/tonne carbon price