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 5.78
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -5.87 -0.375 2.20
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 0.05
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) 0.29 1.117 0.32
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.11
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 13.92

* Based on an €80/tonne carbon price