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 10.36
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -14.81 -0.375 5.55
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 0.63
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.89 1.117 0.99
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 18.97

* Based on an €80/tonne carbon price