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 2.47
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -1.36 -0.441 0.60
Fertility Sub Index 0.02
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) 0.27 1.117 0.30
Calving Sub Index 1.14
Gestation Length (days) -1.24 -0.919 1.14
Beef Sub Index 1.67
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 8.65

* Based on an €80/tonne carbon price