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 13.18
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -15.25 -0.375 5.71
Prot (kg) -12.32 -0.441 5.44
Fertility Sub Index 2.19
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.28 1.117 0.31
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index 0.48
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price