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) -148.00 -0.014 2.07
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 2.65
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.06
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price