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 7.56
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -5.74 -0.375 2.15
Prot (kg) -6.89 -0.441 3.04
Fertility Sub Index 2.14
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.57 1.117 0.64
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.83
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 20.02

* Based on an €80/tonne carbon price