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 0.85
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -1.70 -0.375 0.64
Prot (kg) 0.47 -0.441 -0.21
Fertility Sub Index 0.68
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.41 1.117 0.46
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.46
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 7.89

* Based on an €80/tonne carbon price