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 10.14
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -10.98 -0.375 4.11
Prot (kg) -8.04 -0.441 3.55
Fertility Sub Index 0.88
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.41 1.117 0.46
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.99
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 18.96

* Based on an €80/tonne carbon price