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 6.38
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -5.87 -0.375 2.20
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index 1.08
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.87
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 11.94

* Based on an €80/tonne carbon price