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 7.61
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -6.86 -0.375 2.57
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 0.02
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.23 1.117 0.26
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.39
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 16.62

* Based on an €80/tonne carbon price