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 2.87
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index 0.30
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 0.35 1.117 0.39
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.50
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.06 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 13.28

* Based on an €80/tonne carbon price