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 12.08
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -14.25 -0.375 5.34
Prot (kg) -8.39 -0.441 3.70
Fertility Sub Index 2.15
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.03 1.117 0.03
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.03
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 4.10 -0.432 -1.77
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 23.22

* Based on an €80/tonne carbon price