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 3.09
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 2.59
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.82
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 17.64

* Based on an €80/tonne carbon price