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 -3.92
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 2.02 -0.375 -0.76
Prot (kg) 7.29 -0.441 -3.22
Fertility Sub Index 0.25
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 0.21 1.117 0.23
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.24
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.45 -0.432 -1.92
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 5.06

* Based on an €80/tonne carbon price