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 2.31
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -0.44 -0.375 0.16
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index 2.66
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.87 1.117 0.97
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.60
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 15.05

* Based on an €80/tonne carbon price