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 9.20
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -10.04 -0.375 3.76
Prot (kg) -6.51 -0.441 2.87
Fertility Sub Index 1.27
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.39 1.117 0.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.08
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.04 -0.432 0.45
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 22.53

* Based on an €80/tonne carbon price