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 11.93
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -13.57 -0.375 5.08
Prot (kg) -10.60 -0.441 4.68
Fertility Sub Index 4.32
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.01
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 24.42

* Based on an €80/tonne carbon price