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 6.27
Milk (kg) -275.00 -0.014 3.85
Fat (kg) 1.53 -0.375 -0.57
Prot (kg) -6.78 -0.441 2.99
Fertility Sub Index -0.99
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) 0.89 1.117 0.99
Calving Sub Index 2.31
Gestation Length (days) -2.51 -0.919 2.31
Beef Sub Index -4.12
Carcass Weight (kg) 5.30 -0.528 -2.80
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index 1.60

* Based on an €80/tonne carbon price