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 5.21
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -1.78 -0.375 0.67
Prot (kg) -4.90 -0.441 2.16
Fertility Sub Index 4.05
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 1.12 1.117 1.25
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.31
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.43 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 18.39

* Based on an €80/tonne carbon price