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 3.91
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.99 -0.375 1.49
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index -0.86
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) 0.08 1.117 0.09
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.78
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 11.36

* Based on an €80/tonne carbon price