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 2.71
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.79 -0.375 1.05
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 1.90
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 0.64 1.117 0.72
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.11
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 15.61

* Based on an €80/tonne carbon price