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 2.60
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 0.24
Calving Interval (days) -0.09 -1.459 0.13
Survival (%) 0.10 1.117 0.11
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 1.15
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 10.77

* Based on an €80/tonne carbon price