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 4.09
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.27 -0.375 1.60
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index -2.24
Calving Interval (days) 1.61 -1.459 -2.35
Survival (%) 0.10 1.117 0.11
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.68
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 13.70

* Based on an €80/tonne carbon price