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 3.73
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -1.52 -0.375 0.57
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 2.89
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.95 1.117 1.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.11
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price