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 4.04
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.65
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.82
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 15.88

* Based on an €80/tonne carbon price