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 4.92
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -0.80
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) -0.79 1.117 -0.88
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.27
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.32 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 12.64

* Based on an €80/tonne carbon price